CCF_100
/
ASDV-Java
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ArrayList time

master
Chloe Fontenot 🏳️‍⚧️ 2023-03-02 11:56:47 +07:00
parent aaf966ed6a
commit 397f12dc2a
31 changed files with 1984 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
.gitignore vendored
Unescape Escape View File

@ -106,3 +106,6 @@
/Semester 2/Assignments/MP3_CalebFontenot/nbproject/private/
/Semester 2/TestProject/target/
/Semester 2/Assignments/MP3_CalebFontenot/build/
/Semester 2/Assignments/lab4_CalebFontenot/target/
/Semester 2/Exams/PracticeExam1/target/
/Semester 2/Assignments/lab5_CalebFontenot/target/

14
Semester 2/Assignments/lab4_CalebFontenot/pom.xml
Unescape Escape View File

@ -0,0 +1,14 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.calebfontenot</groupId>
<artifactId>lab4_CalebFontenot</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<exec.mainClass>com.calebfontenot.lab4_calebfontenot.Lab4_CalebFontenot</exec.mainClass>
</properties>
</project>

51
Semester 2/Assignments/lab4_CalebFontenot/src/main/java/com/calebfontenot/lab4_calebfontenot/Circle.java
Unescape Escape View File

@ -0,0 +1,51 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.lab4_calebfontenot;
/**
*
* @author caleb
*/
public class Circle extends GeometricObject {
private double radius;
public Circle() {
}
public Circle(double radius) {
this.radius = radius;
}
/** Return radius */
public double getRadius() {
return radius;
}
/** Set a new radius */
public void setRadius(double radius) {
this.radius = radius;
}
@Override /** Return area */
public double getArea() {
return radius * radius * Math.PI;
}
/** Return diameter */
public double getDiameter() {
return 2 * radius;
}
@Override /** Return perimeter */
public double getPerimeter() {
return 2 * radius * Math.PI;
}
/* Print the circle info */
public void printCircle() {
System.out.println("The circle is created " + getDateCreated() +
" and the radius is " + radius);
}
}

65
Semester 2/Assignments/lab4_CalebFontenot/src/main/java/com/calebfontenot/lab4_calebfontenot/GeometricObject.java
Unescape Escape View File

@ -0,0 +1,65 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.lab4_calebfontenot;
/**
*
* @author caleb
*/
public abstract class GeometricObject {
private String color = "white";
private boolean filled;
private java.util.Date dateCreated;
/** Construct a default geometric object */
protected GeometricObject() {
dateCreated = new java.util.Date();
}
/** Construct a geometric object with color and filled value */
protected GeometricObject(String color, boolean filled) {
dateCreated = new java.util.Date();
this.color = color;
this.filled = filled;
}
/** Return color */
public String getColor() {
return color;
}
/** Set a new color */
public void setColor(String color) {
this.color = color;
}
/** Return filled. Since filled is boolean,
* the get method is named isFilled */
public boolean isFilled() {
return filled;
}
/** Set a new filled */
public void setFilled(boolean filled) {
this.filled = filled;
}
/** Get dateCreated */
public java.util.Date getDateCreated() {
return dateCreated;
}
@Override
public String toString()
{
return "GeometricObject{" + "color=" + color + ", filled=" + filled + ", dateCreated=" + dateCreated + '}';
}
/** Abstract method getArea */
public abstract double getArea();
/** Abstract method getPerimeter */
public abstract double getPerimeter();
}

16
Semester 2/Assignments/lab4_CalebFontenot/src/main/java/com/calebfontenot/lab4_calebfontenot/Lab4_CalebFontenot.java
Unescape Escape View File

@ -0,0 +1,16 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
*/
package com.calebfontenot.lab4_calebfontenot;
/**
*
* @author caleb
*/
public class Lab4_CalebFontenot {
public static void main(String[] args) {
System.out.println("Hello World!");
}
}

52
Semester 2/Assignments/lab4_CalebFontenot/src/main/java/com/calebfontenot/lab4_calebfontenot/Rectangle.java
Unescape Escape View File

@ -0,0 +1,52 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.lab4_calebfontenot;
/**
*
* @author caleb
*/
public class Rectangle extends GeometricObject {
private double width;
private double height;
public Rectangle() {
}
public Rectangle(double width, double height) {
this.width = width;
this.height = height;
}
/** Return width */
public double getWidth() {
return width;
}
/** Set a new width */
public void setWidth(double width) {
this.width = width;
}
/** Return height */
public double getHeight() {
return height;
}
/** Set a new height */
public void setHeight(double height) {
this.height = height;
}
@Override /** Return area */
public double getArea() {
return width * height;
}
@Override /** Return perimeter */
public double getPerimeter() {
return 2 * (width + height);
}
}

48
Semester 2/Assignments/lab4_CalebFontenot/src/main/java/com/calebfontenot/lab4_calebfontenot/TestCircleRectangle.java
Unescape Escape View File

@ -0,0 +1,48 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.lab4_calebfontenot;
/**
*
* @author caleb
*/
public class TestCircleRectangle {
public static void main(String[] args) {
Circle circle = new Circle(1);
System.out.println(circle);
/*
CircleFromSimpleGeometricObject circle =
new CircleFromSimpleGeometricObject(1);
System.out.println("A circle " + circle.toString());
System.out.println("The color is " + circle.getColor());
System.out.println("The radius is " + circle.getRadius());
System.out.println("The area is " + circle.getArea());
System.out.println("The diameter is " + circle.getDiameter());
RectangleFromSimpleGeometricObject rectangle =
new RectangleFromSimpleGeometricObject(2, 4);
System.out.println("\nA rectangle " + rectangle.toString());
System.out.println("The area is " + rectangle.getArea());
System.out.println("The perimeter is " +
rectangle.getPerimeter());
*/
}
class Apple extends Fruit {
}
class Fruit {
public Fruit () {}
public Fruit(String name) {
System.out.println("Fruit's constructior is invoked.");
}
}
}

BIN
Semester 2/Assignments/lab5_CalebFontenot/lab4.pdf
View File

Binary file not shown.

14
Semester 2/Assignments/lab5_CalebFontenot/pom.xml
Unescape Escape View File

@ -0,0 +1,14 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.calebfontenot</groupId>
<artifactId>lab5_CalebFontenot</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<exec.mainClass>com.calebfontenot.lab5_calebfontenot.Lab5_CalebFontenot</exec.mainClass>
</properties>
</project>

32
Semester 2/Assignments/lab5_CalebFontenot/src/main/java/com/calebfontenot/lab5_calebfontenot/A.java
Unescape Escape View File

@ -0,0 +1,32 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
*/
package com.calebfontenot.lab5_calebfontenot;
/**
*
* @author caleb
*/
public class A {
public A() { System.out.println("A constructor was called"); }
public A(String msg) {System.out.println(msg);}
public A(String msg1, String msg2) {
this (msg1 + "; " + msg2);
System.out.println("A 2-parm constructor was called");
}
public void instanceMethod1() { System.out.println("Instance method1 called from A"); }
public void instanceMethod2() { System.out.println("Instance method2 called from A"); }
public static void staticMethod() {System.out.println("Static method 2 called from A"); }
}
class B extends A {
public B() {System.out.println("B constructor called");}
public B(String msg)
{
System.out.println("B constructor called");
System.out.println(msg);
}
public void instanceMethod1() { System.out.println("Instance method1 called from B"); }
public void instanceMethod2() { System.out.println("Instance method2 called from B"); }
public static void staticMethod() {System.out.println("Static method 2 called from B"); }
}

152
Semester 2/Assignments/lab5_CalebFontenot/src/main/java/com/calebfontenot/lab5_calebfontenot/Person.java
Unescape Escape View File

@ -0,0 +1,152 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.lab5_calebfontenot;
import java.util.ArrayList;
import java.util.Date;
/**
*
* @author caleb
*/
public class Person {
//name, addresss, phone number, and email addresss
private String name;
private String address;
private String phoneNumber;
private String email;
public Person(String name, String address, String phoneNumber, String email)
{
this.name = name;
this.address = address;
this.phoneNumber = phoneNumber;
this.email = email;
}
public String getEmailAddress() {return email;}
public void setEmailAddress(String email) {this.email = email;}
public String getPhoneNumber(){return phoneNumber;}
public void setPhoneNumber(String phoneNumber) {this.phoneNumber = phoneNumber;}
public String getAddress() {return address;}
public void setAddress(String address){ this.address = address;}
public String getName() {return name;}
public void setName(String name) {this.name = name;}
@Override
public String toString()
{
return "Person{" + "name=" + name + '}';
}
public static void main(String[] args)
{
ArrayList list = new ArrayList();
list.add(new Person("John Wayne", "123 Sunny Dr. Santa Barabara, 90611", "922-337-3231", "jw@gmail.com"));
list.add(new Date());
list.add("This is a string");
list.add(new String("This is another string"));
list.add(new Employee("123", 1234567, new Date(), "Mary Poppins", "123 Blake Drive, Lafayette, LA, 70506", "337-123-4567", "mp@gmail.com"));
for (int i = 0; i < list.size(); ++i) {
System.out.println(list.get(i));
}
}
}
class Student extends Person {
private Status status;
public Status getStatus() {return status;}
public void setStatus(Status status) {this.status = status;}
public Student(Status status, String name, String address, String phoneNumber, String email)
{
super(name, address, phoneNumber, email);
this.status = status;
}
@Override
public String toString() {return super.toString() + "Student{" + '}';}
}
class Employee extends Person {
// office, salary, and data hired
private String office;
private double salary;
private Date dateHired;
public Employee(String office, double salary, Date dateHired, String name, String address, String phoneNumber, String email)
{
super(name, address, phoneNumber, email);
this.office = office;
this.salary = salary;
this.dateHired = dateHired;
}
public Date getDateHired() {return dateHired;}
public double getSalary() {return salary;}
public void setSalary(double salary) {this.salary = salary;}
public String getOffice() {return office;}
public void setOffice(String office) {this.office = office;}
@Override
public String toString() {return super.toString() + "Employee{" + '}';}
}
class Faculty extends Employee {
private String officeHours;
private int rank;
public Faculty(String officeHours, int rank, String office, double salary, Date dateHired, String name, String address, String phoneNumber, String email)
{
super(office, salary, dateHired, name, address, phoneNumber, email);
this.officeHours = officeHours;
this.rank = rank;
}
public int getRank(){return rank;}
public void setRank(int rank) {this.rank = rank;}
public String getOfficeHours() {return officeHours;}
public void setOfficeHours(String officeHours) {this.officeHours = officeHours;}
@Override
public String toString() {return "Faculty{name=" + this.getName() + ", " +"rank=" + rank + '}';}
}
class Staff extends Employee {
private String title;
public Staff(String title, String office, double salary, Date dateHired, String name, String address, String phoneNumber, String email)
{
super(office, salary, dateHired, name, address, phoneNumber, email);
this.title = title;
}
public String getTitle() {return title;}
public void setTitle(String title) {this.title = title;}
@Override
public String toString() {return "Staff{name=" + this.getName() + ", " +"title=" + title + '}';}
}
class Status {
final private String status;
public Status(String status) { this.status = status;}
public String getStatus()
{
return status;
}
@Override
public String toString() {return "Status{" + "status=" + status + '}';}
}

38
Semester 2/Assignments/lab5_CalebFontenot/src/main/java/com/calebfontenot/lab5_calebfontenot/lab5_CalebFontenot.java
Unescape Escape View File

@ -0,0 +1,38 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.lab5_calebfontenot;
/**
*
* @author caleb
*/
public class lab5_CalebFontenot {
public static void main(String[] args)
{
//B b = new B("hi");
//A a = new A("msg1: The 2-parm constructor of A uses \"this\"",
// "msg2: to call the 1-parm constructor of A ");
//A a1 = new A();
//B b1 = new B();
//a.instanceMethod1();
//a.instanceMethod2();
//A.staticMethod();
//b.instanceMethod1();
//b.instanceMethod2();
//B.staticMethod();
//A a3 = new B();
//a3.instanceMethod1();
//testPolymorphism(a1);
//testPolymorphism(b1);
B b2 = (B) new A();
}
public static void testPolymorphism(A a) {
a.instanceMethod1();
}
}

83
Semester 2/Exams/Exam1_CalebFontenot/Location.html
Unescape Escape View File

@ -0,0 +1,83 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Location.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #000000; background-color: #ffffff; font-family: monospace}
pre {color: #000000; background-color: #ffffff; font-family: monospace}
table {color: #404040; background-color: #e9e8e2; font-family: monospace}
.ST1 {color: #969696; font-family: monospace; font-weight: bold}
.ST2 {font-family: monospace; font-weight: bold}
.comment {color: #969696}
.ST5 {font-family: monospace; font-weight: bold; font-style: italic}
.ST6 {font-family: monospace; font-style: italic}
.ST3 {color: #ce54b8; font-family: monospace; font-style: italic}
.ST0 {color: #287bde}
.ST4 {color: #ce54b8}
.string {color: #1e9347}
.literal {color: #336bdd}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">C:\Users\ar114\Documents\NetBeansProjects\Exam1_CalebFontenot\src\main\java\com\calebfontenot\exam1_calebfontenot\Location.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.calebfontenot.exam1_calebfontenot;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">ar114</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> <span class="ST2">Location</span> {
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> <span class="ST3">row</span>;
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> <span class="ST3">column</span>;
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">double</span> <span class="ST3">maxValue</span>;
<span class="literal">int</span> <span class="ST4">x</span>, <span class="ST4">y</span>;
<span class="ST2">Location</span>(<span class="literal">int</span> x, <span class="literal">int</span> y) {
<span class="literal">this</span>.<span class="ST4">x</span> = x;
<span class="literal">this</span>.<span class="ST4">y</span> = y;
}
<span class="literal">public</span> <span class="literal">static</span> Location <span class="ST5">locateLargest</span>(<span class="literal">double</span>[][] arr) {
<span class="ST3">maxValue</span> = arr[0][0];
<span class="comment">//Find max value</span>
<span class="literal">for</span> (<span class="literal">int</span> i = 0; i &lt; arr.<span class="ST4">length</span> - 1; ++i) {
<span class="literal">for</span> (<span class="literal">int</span> j = 0; j &lt; arr[i].<span class="ST4">length</span>; ++j) {
<span class="literal">if</span> (<span class="ST3">maxValue</span> &lt; arr[i][j]) {
<span class="ST3">maxValue</span> = arr[i][j];
<span class="ST3">column</span> = i;
<span class="ST3">row</span> = j;
}
}
}
<span class="literal">return</span> <span class="literal">new</span> Location(<span class="ST3">c</span><span class="ST3">olumn</span>, <span class="ST3">r</span><span class="ST3">ow</span>);
}
@Override
<span class="literal">public</span> String <span class="ST2">toString</span>() {
String s = <span class="string">&quot;</span><span class="string">The location of the largest element is </span><span class="string">&quot;</span>;
s += <span class="ST3">maxValue</span> + <span class="string">&quot;</span><span class="string"> at (</span><span class="string">&quot;</span> + <span class="literal">this</span>.<span class="ST4">x</span> + <span class="string">&quot;</span><span class="string">, </span><span class="string">&quot;</span>+ <span class="literal">this</span>.<span class="ST4">y</span> +<span class="string">&quot;</span><span class="string">)</span><span class="string">&quot;</span>;
<span class="literal">return</span> s;
}
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST5">main</span>(String[] args) {
<span class="literal">double</span>[][] arr = {
{23.5, 35, 2, 10, 12},
{4.5, 3, 45},
{35, 44, 5.5, 9.6}
};
System.<span class="ST3">out</span>.println(<span class="ST6">l</span><span class="ST6">ocateLargest</span>(arr));
}
}
</pre></body>
</html>

152
Semester 2/Exams/Exam1_CalebFontenot/MyStringBuilder.html
Unescape Escape View File

@ -0,0 +1,152 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>MyStringBuilder.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #000000; background-color: #ffffff; font-family: monospace}
pre {color: #000000; background-color: #ffffff; font-family: monospace}
table {color: #404040; background-color: #e9e8e2; font-family: monospace}
.ST1 {color: #969696; font-family: monospace; font-weight: bold}
.ST2 {font-family: monospace; font-weight: bold}
.comment {color: #969696}
.ST5 {font-family: monospace; font-weight: bold; font-style: italic}
.ST4 {font-family: monospace; font-style: italic}
.ST6 {color: #ce54b8; font-family: monospace; font-style: italic}
.ST0 {color: #287bde}
.ST3 {color: #ce54b8}
.string {color: #1e9347}
.literal {color: #336bdd}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">C:\Users\ar114\Documents\NetBeansProjects\Exam1_CalebFontenot\src\main\java\com\calebfontenot\exam1_calebfontenot\MyStringBuilder.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.calebfontenot.exam1_calebfontenot;
<span class="literal">import</span> java.util.Arrays;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">ar114</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> <span class="ST2">MyStringBuilder</span> {
<span class="comment">//private int size = 0; // Size is not necessary. Remove it and modify the code.</span>
<span class="comment">//private int capacity = 0; //not necessary</span>
<span class="literal">private</span> <span class="literal">char</span>[] <span class="ST3">buffer</span>;
<span class="literal">public</span> <span class="ST2">MyStringBuilder</span>() {
}
<span class="literal">public</span> <span class="ST2">MyStringBuilder</span>(<span class="literal">char</span>[] chars) {
<span class="ST3">buffer</span> = chars;
}
<span class="literal">public</span> <span class="ST2">MyStringBuilder</span>(String s) {
<span class="ST3">buffer</span> = s.toCharArray();
}
<span class="literal">private</span> <span class="literal">void</span> <span class="ST2">increaseCapacity</span>(<span class="literal">int</span> newCapacity) {
<span class="literal">char</span>[] temp = <span class="literal">new</span> <span class="literal">char</span>[newCapacity];
System.<span class="ST4">arraycopy</span>(<span class="ST3">b</span><span class="ST3">uffer</span>, 0, temp, 0, <span class="ST3">b</span><span class="ST3">uffer</span>.<span class="ST3">length</span>);
<span class="ST3">buffer</span> = temp;
}
<span class="literal">public</span> MyStringBuilder <span class="ST2">append</span>(MyStringBuilder s) {
<span class="literal">int</span> oldLength = <span class="ST3">buffer</span>.<span class="ST3">length</span>;
<span class="literal">char</span>[] toAdd = s.<span class="ST3">buffer</span>;
increaseCapacity(toAdd.<span class="ST3">length</span> + oldLength);
<span class="literal">int</span> j = 0;
<span class="literal">for</span> (<span class="literal">int</span> i = oldLength; i &lt; (oldLength + s.<span class="ST3">buffer</span>.<span class="ST3">length</span>); ++i) {
<span class="ST3">buffer</span>[i] = toAdd[j++];
}
<span class="literal">return</span> <span class="literal">this</span>;
}
<span class="comment">/**</span>
<span class="comment"> * </span><span class="ST1">public</span> <span class="ST1">MyStringBuilder</span> <span class="ST1">append</span><span class="ST1">(</span><span class="ST1">int</span> <span class="ST1">i</span><span class="comment">) {</span>
<span class="comment"> *</span>
<span class="comment"> * }</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@return</span>
<span class="comment"> *</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">int</span> <span class="ST2">length</span>() {
<span class="literal">return</span> <span class="ST3">buffer</span>.<span class="ST3">length</span> -1;
}
<span class="literal">public</span> <span class="literal">char</span> <span class="ST2">charAt</span>(<span class="literal">int</span> index) {
<span class="literal">return</span> <span class="ST3">buffer</span>[index];
}
<span class="literal">public</span> MyStringBuilder <span class="ST2">toLowerCase</span>() {
<span class="literal">for</span> (<span class="literal">int</span> i = 0; i &lt; <span class="ST3">buffer</span>.<span class="ST3">length</span>; ++i) {
<span class="ST3">buffer</span>[i] = Character.<span class="ST4">toLowerCase</span>(<span class="ST3">buffer</span>[i]);
}
<span class="literal">return</span> <span class="literal">this</span>;
}
<span class="literal">public</span> MyStringBuilder <span class="ST2">substring</span>(<span class="literal">int</span> begin, <span class="literal">int</span> end) {
String s = <span class="string">&quot;&quot;</span>;
<span class="literal">for</span> (<span class="literal">int</span> i = begin; i &lt; end; ++i) {
s += <span class="ST3">buffer</span>[i];
}
<span class="literal">return</span> <span class="literal">new</span> MyStringBuilder(s.toCharArray());
}
@Override
<span class="literal">public</span> String <span class="ST2">toString</span>() {
String s = <span class="string">&quot;&quot;</span>;
<span class="literal">for</span>(<span class="literal">char</span> c: <span class="ST3">buffer</span>)
{
s += c;
}
<span class="literal">return</span> s;
}
<span class="literal">public</span> MyStringBuilder <span class="ST2">reverse</span>() {
<span class="literal">char</span>[] reversed = <span class="literal">new</span> <span class="literal">char</span>[<span class="ST3">buffer</span>.<span class="ST3">length</span>];
<span class="literal">int</span> j = 0;
<span class="literal">for</span> (<span class="literal">int</span> i = <span class="ST3">buffer</span>.<span class="ST3">length</span> - 1; i &gt;= 0; --i) {
reversed[i] = <span class="ST3">buffer</span>[j];
j++;
}
<span class="ST3">buffer</span> = reversed;
<span class="literal">return</span> <span class="literal">this</span>;
}
<span class="literal">public</span> MyStringBuilder <span class="ST2">substring</span>(<span class="literal">int</span> begin) {
<span class="literal">return</span> substring(begin, <span class="ST3">b</span><span class="ST3">uffer</span>.<span class="ST3">length</span>);
}
<span class="literal">public</span> MyStringBuilder <span class="ST2">toUpperCase</span>() {
<span class="literal">for</span> (<span class="literal">int</span> i = 0; i &lt; <span class="ST3">buffer</span>.<span class="ST3">length</span>; ++i) {
<span class="ST3">buffer</span>[i] = Character.<span class="ST4">toUpperCase</span>(<span class="ST3">buffer</span>[i]);
}
<span class="literal">return</span> <span class="literal">this</span>;
}
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST5">main</span>(String[] args) {
MyStringBuilder s1 = <span class="literal">new</span> MyStringBuilder(<span class="string">&quot;</span><span class="string">Welcomne to</span><span class="string">&quot;</span>);
MyStringBuilder s2 = <span class="literal">new</span> MyStringBuilder(<span class="string">&quot;</span><span class="string"> Java</span><span class="string">&quot;</span>);
System.<span class="ST6">out</span>.println(s1.length());
System.<span class="ST6">out</span>.println(s1.charAt(3));
System.<span class="ST6">out</span>.println(s1.toUpperCase().toString());
s1.append(s2);
System.<span class="ST6">out</span>.println(s1.toString());
System.<span class="ST6">out</span>.println(s1.substring(1, 4));
System.<span class="ST6">out</span>.println(s1.reverse());
System.<span class="ST6">out</span>.println(s1.reverse());
}
}
</pre></body>
</html>

82
Semester 2/Exams/Exam1_CalebFontenot/Question1.html
Unescape Escape View File

@ -0,0 +1,82 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Question1.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #000000; background-color: #ffffff; font-family: monospace}
pre {color: #000000; background-color: #ffffff; font-family: monospace}
table {color: #404040; background-color: #e9e8e2; font-family: monospace}
.ST1 {color: #969696; font-family: monospace; font-weight: bold}
.ST2 {font-family: monospace; font-weight: bold}
.comment {color: #969696}
.ST3 {font-family: monospace; font-weight: bold; font-style: italic}
.ST6 {font-family: monospace; font-style: italic}
.ST5 {color: #ce54b8; font-family: monospace; font-style: italic}
.ST0 {color: #287bde}
.ST4 {color: #ce54b8}
.string {color: #1e9347}
.literal {color: #336bdd}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">C:\Users\ar114\Documents\NetBeansProjects\Exam1_CalebFontenot\src\main\java\com\calebfontenot\exam1_calebfontenot\Question1.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.calebfontenot.exam1_calebfontenot;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">ar114</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> <span class="ST2">Question1</span> {
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST3">sort</span>(<span class="literal">int</span>[] arr) {
<span class="literal">for</span> (<span class="literal">int</span> i = 0; i &lt; arr.<span class="ST4">length</span> - 1; ++i) {
<span class="literal">for</span> (<span class="literal">int</span> j = i + 1; j &lt; arr.<span class="ST4">length</span>; ++j) {
<span class="literal">if</span> (arr[i] &gt; arr[j]) {
<span class="literal">int</span> temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
}
}
}
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST3">print</span>(<span class="literal">int</span>[][][] arr) {
<span class="literal">for</span> (<span class="literal">int</span> i = 0; i &lt; arr.<span class="ST4">length</span>; ++i) {
<span class="literal">for</span> (<span class="literal">int</span> j = 0; j &lt; arr[i].<span class="ST4">length</span>; ++j) {
<span class="literal">for</span> (<span class="literal">int</span> k = 0; k &lt; arr[i][j].<span class="ST4">length</span>; ++k) {
System.<span class="ST5">out</span>.print(arr[i][j][k] + <span class="string">&quot;</span> <span class="string">&quot;</span>);
}
System.<span class="ST5">out</span>.println();
}
}
}
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST3">main</span>(String[] args) {
<span class="literal">int</span>[][][] arr = {
{
{11, 2, 6, 22}, {3, 90, 112, 40, 7, 12}
},
{
{10, -20, 3}, {300, 50}
}
};
<span class="literal">for</span> (<span class="literal">int</span> i = 0; i &lt; arr.<span class="ST4">length</span>; ++i) {
<span class="literal">for</span> (<span class="literal">int</span> j = 0; j &lt; arr[i].<span class="ST4">length</span>; ++j) {
<span class="ST6">sort</span>(arr[i][j]);
}
}
<span class="ST6">print</span>(arr);
}
}
</pre></body>
</html>

14
Semester 2/Exams/Exam1_CalebFontenot/pom.xml
Unescape Escape View File

@ -0,0 +1,14 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.calebfontenot.exam1_calebfontenot</groupId>
<artifactId>Exam1_CalebFontenot</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
<exec.mainClass>com.calebfontenot.exam1_calebfontenot.Exam1_CalebFontenot</exec.mainClass>
</properties>
</project>

17
Semester 2/Exams/Exam1_CalebFontenot/src/main/java/com/calebfontenot/exam1_calebfontenot/Exam1_CalebFontenot.java
Unescape Escape View File

@ -0,0 +1,17 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Project/Maven2/JavaApp/src/main/java/${packagePath}/${mainClassName}.java to edit this template
*/
package com.calebfontenot.exam1_calebfontenot;
/**
*
* @author ar114
*/
public class Exam1_CalebFontenot {
public static void main(String[] args) {
System.out.println("Hello World!".toUpperCase());
}
}

54
Semester 2/Exams/Exam1_CalebFontenot/src/main/java/com/calebfontenot/exam1_calebfontenot/Location.java
Unescape Escape View File

@ -0,0 +1,54 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.exam1_calebfontenot;
/**
*
* @author ar114
*/
public class Location {
public static int row;
public static int column;
public static double maxValue;
int x, y;
Location(int x, int y) {
this.x = x;
this.y = y;
}
public static Location locateLargest(double[][] arr) {
maxValue = arr[0][0];
//Find max value
for (int i = 0; i < arr.length - 1; ++i) {
for (int j = 0; j < arr[i].length; ++j) {
if (maxValue < arr[i][j]) {
maxValue = arr[i][j];
column = i;
row = j;
}
}
}
return new Location(column, row);
}
@Override
public String toString() {
String s = "The location of the largest element is ";
s += maxValue + " at (" + this.x + ", "+ this.y +")";
return s;
}
public static void main(String[] args) {
double[][] arr = {
{23.5, 35, 2, 10, 12},
{4.5, 3, 45},
{35, 44, 5.5, 9.6}
};
System.out.println(locateLargest(arr));
}
}

123
Semester 2/Exams/Exam1_CalebFontenot/src/main/java/com/calebfontenot/exam1_calebfontenot/MyStringBuilder.java
Unescape Escape View File

@ -0,0 +1,123 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.exam1_calebfontenot;
import java.util.Arrays;
/**
*
* @author ar114
*/
public class MyStringBuilder {
//private int size = 0; // Size is not necessary. Remove it and modify the code.
//private int capacity = 0; //not necessary
private char[] buffer;
public MyStringBuilder() {
}
public MyStringBuilder(char[] chars) {
buffer = chars;
}
public MyStringBuilder(String s) {
buffer = s.toCharArray();
}
private void increaseCapacity(int newCapacity) {
char[] temp = new char[newCapacity];
System.arraycopy(buffer, 0, temp, 0, buffer.length);
buffer = temp;
}
public MyStringBuilder append(MyStringBuilder s) {
int oldLength = buffer.length;
char[] toAdd = s.buffer;
increaseCapacity(toAdd.length + oldLength);
int j = 0;
for (int i = oldLength; i < (oldLength + s.buffer.length); ++i) {
buffer[i] = toAdd[j++];
}
return this;
}
/**
* public MyStringBuilder append(int i) {
*
* }
*
* @return
*
*/
public int length() {
return buffer.length -1;
}
public char charAt(int index) {
return buffer[index];
}
public MyStringBuilder toLowerCase() {
for (int i = 0; i < buffer.length; ++i) {
buffer[i] = Character.toLowerCase(buffer[i]);
}
return this;
}
public MyStringBuilder substring(int begin, int end) {
String s = "";
for (int i = begin; i < end; ++i) {
s += buffer[i];
}
return new MyStringBuilder(s.toCharArray());
}
@Override
public String toString() {
String s = "";
for(char c: buffer)
{
s += c;
}
return s;
}
public MyStringBuilder reverse() {
char[] reversed = new char[buffer.length];
int j = 0;
for (int i = buffer.length - 1; i >= 0; --i) {
reversed[i] = buffer[j];
j++;
}
buffer = reversed;
return this;
}
public MyStringBuilder substring(int begin) {
return substring(begin, buffer.length);
}
public MyStringBuilder toUpperCase() {
for (int i = 0; i < buffer.length; ++i) {
buffer[i] = Character.toUpperCase(buffer[i]);
}
return this;
}
public static void main(String[] args) {
MyStringBuilder s1 = new MyStringBuilder("Welcome to");
MyStringBuilder s2 = new MyStringBuilder(" Java");
System.out.println(s1.length());
System.out.println(s1.charAt(3));
System.out.println(s1.toUpperCase().toString());
s1.append(s2);
System.out.println(s1.toString());
System.out.println(s1.substring(1, 4));
System.out.println(s1.reverse());
System.out.println(s1.reverse());
}
}

53
Semester 2/Exams/Exam1_CalebFontenot/src/main/java/com/calebfontenot/exam1_calebfontenot/Question1.java
Unescape Escape View File

@ -0,0 +1,53 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.exam1_calebfontenot;
/**
*
* @author ar114
*/
public class Question1 {
public static void sort(int[] arr) {
for (int i = 0; i < arr.length - 1; ++i) {
for (int j = i + 1; j < arr.length; ++j) {
if (arr[i] > arr[j]) {
int temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
}
}
}
public static void print(int[][][] arr) {
for (int i = 0; i < arr.length; ++i) {
for (int j = 0; j < arr[i].length; ++j) {
for (int k = 0; k < arr[i][j].length; ++k) {
System.out.print(arr[i][j][k] + " ");
}
System.out.println();
}
}
}
public static void main(String[] args) {
int[][][] arr = {
{
{11, 2, 6, 22}, {3, 90, 112, 40, 7, 12}
},
{
{10, -20, 3}, {300, 50}
}
};
for (int i = 0; i < arr.length; ++i) {
for (int j = 0; j < arr[i].length; ++j) {
sort(arr[i][j]);
}
}
print(arr);
}
}

111
Semester 2/Exams/PracticeExam1/Person.html
Unescape Escape View File

@ -0,0 +1,111 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Person.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.ST2 {color: #9876aa}
.ST3 {color: #ffc66d}
.string {color: #6a8759}
.number {color: #6897bb}
.comment {color: #808080}
.whitespace {color: #505050}
.ST5 {color: #ffc66d; font-family: monospace; font-style: italic}
.ST6 {color: #9876aa; font-family: monospace; font-style: italic}
.ST1 {color: #808080; font-family: monospace; font-weight: bold}
.ST0 {color: #287bde}
.literal {color: #cc7832}
.ST4 {font-family: monospace; font-style: italic}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Exams/PracticeExam1/src/main/java/com/calebfontenot/practiceexam1/Person.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.calebfontenot.practiceexam1;
<span class="literal">import</span> java.util.GregorianCalendar;
<span class="literal">import</span> java.util.Objects;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">caleb</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> Person {
<span class="literal">private</span> String <span class="ST2">name</span>;
<span class="literal">private</span> <span class="literal">final</span> GregorianCalendar <span class="ST2">birthDate</span>;
<span class="literal">public</span> Person(String name, GregorianCalendar brithDate)
{
<span class="literal">this</span>.<span class="ST2">name</span> = name;
<span class="literal">this</span>.<span class="ST2">birthDate</span> = brithDate;
}
<span class="literal">public</span> String <span class="ST3">getName</span>()
{
<span class="literal">return</span> <span class="ST2">name</span>;
}
<span class="literal">public</span> <span class="literal">void</span> <span class="ST3">setName</span>(String name)
{
<span class="literal">this</span>.<span class="ST2">name</span> = name;
}
<span class="literal">public</span> GregorianCalendar <span class="ST3">getBirthdate</span>() {
<span class="literal">return</span> <span class="literal">this</span>.<span class="ST2">birthDate</span>;
}
@Override
<span class="literal">public</span> <span class="literal">boolean</span> <span class="ST3">equals</span>(Object obj)
{
<span class="literal">if</span> (<span class="literal">this</span> == obj) {
<span class="literal">return</span> <span class="literal">true</span>;
}
<span class="literal">if</span> (obj == <span class="literal">null</span>) {
<span class="literal">return</span> <span class="literal">false</span>;
}
<span class="literal">if</span> (getClass() != obj.getClass()) {
<span class="literal">return</span> <span class="literal">false</span>;
}
<span class="literal">final</span> Person other = (Person) obj;
<span class="literal">if</span> (!Objects.<span class="ST4">equals</span>(<span class="literal">t</span><span class="literal">his</span>.<span class="ST2">name</span>, other.<span class="ST2">name</span>)) {
<span class="literal">return</span> <span class="literal">false</span>;
}
<span class="literal">return</span> Objects.<span class="ST4">equals</span>(<span class="literal">t</span><span class="literal">his</span>.<span class="ST2">birthDate</span>, other.<span class="ST2">birthDate</span>);
}
@Override
<span class="literal">public</span> String <span class="ST3">toString</span>()
{
<span class="literal">return</span> <span class="string">&quot;</span><span class="string">Person{</span><span class="string">&quot;</span> + <span class="string">&quot;</span><span class="string">name=</span><span class="string">&quot;</span> + <span class="ST2">name</span> + <span class="string">&quot;</span><span class="string">, birthDate=</span><span class="string">&quot;</span> + <span class="ST2">birthDate</span>.toInstant() + <span class="string">&#39;</span><span class="string">}</span><span class="string">&#39;</span>;
}
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST5">main</span>(String[] args)
{
Person john = <span class="literal">new</span> Person(<span class="string">&quot;</span><span class="string">John</span><span class="string">&quot;</span>, <span class="literal">new</span> GregorianCalendar(<span class="number">2</span><span class="number">003</span>, <span class="number">8</span>, <span class="number">2</span><span class="number">8</span>));
Person mary = <span class="literal">new</span> Person(<span class="string">&quot;</span><span class="string">Mary</span><span class="string">&quot;</span>, <span class="literal">new</span> GregorianCalendar(<span class="number">2</span><span class="number">004</span>, <span class="number">3</span>, <span class="number">2</span><span class="number">3</span>));
System.<span class="ST6">out</span>.println(john);
System.<span class="ST6">out</span>.println(mary);
Person john1 = <span class="literal">new</span> Person(<span class="string">&quot;</span><span class="string">John</span><span class="string">&quot;</span>, <span class="literal">new</span> GregorianCalendar(<span class="number">2</span><span class="number">003</span>, <span class="number">8</span>, <span class="number">2</span><span class="number">8</span>));
Person john2 = <span class="literal">new</span> Person(<span class="string">&quot;</span><span class="string">John</span><span class="string">&quot;</span>, <span class="literal">new</span> GregorianCalendar(<span class="number">2</span><span class="number">003</span>, <span class="number">1</span><span class="number">0</span>, <span class="number">1</span><span class="number">0</span>));
Person john3 = <span class="literal">new</span> Person(<span class="string">&quot;</span><span class="string">John</span><span class="string">&quot;</span>, <span class="literal">new</span> GregorianCalendar(<span class="number">2</span><span class="number">003</span>, <span class="number">8</span>, <span class="number">2</span><span class="number">8</span>));
System.<span class="ST6">out</span>.println(john1.equals(john));
System.<span class="ST6">out</span>.println(john2.equals(john));
System.<span class="ST6">out</span>.println(john3.equals(john));
}
}
</pre></body>
</html>

174
Semester 2/Exams/PracticeExam1/Problem1.html
Unescape Escape View File

@ -0,0 +1,174 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Problem1ArrayNames.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.ST3 {color: #9876aa}
.number {color: #6897bb}
.string {color: #6a8759}
.comment {color: #808080}
.whitespace {color: #505050}
.ST2 {color: #ffc66d; font-family: monospace; font-style: italic}
.ST4 {color: #9876aa; font-family: monospace; font-style: italic}
.ST1 {color: #808080; font-family: monospace; font-weight: bold}
.ST5 {color: #8a653b}
.ST0 {color: #287bde}
.literal {color: #cc7832}
.ST6 {font-family: monospace; font-style: italic}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Exams/PracticeExam1/src/main/java/com/calebfontenot/practiceexam1/Problem1ArrayNames.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.calebfontenot.practiceexam1;
<span class="literal">import</span> java.util.Arrays;
<span class="literal">import</span> java.util.Scanner;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">caleb</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> Problem1ArrayNames {
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> <span class="ST2">maxNumberOfColumnsInJagged2dArray</span>(<span class="literal">char</span>[][] ar)
{
<span class="literal">int</span> maxNumberOfColumns = <span class="number">0</span>;
<span class="literal">for</span> (<span class="literal">int</span> row = <span class="number">0</span>; row &lt; ar.<span class="ST3">length</span>; ++row) {
<span class="literal">if</span> (ar[row].<span class="ST3">length</span> &gt; maxNumberOfColumns) {
maxNumberOfColumns = ar[row].<span class="ST3">length</span>;
}
}
<span class="literal">return</span> maxNumberOfColumns;
}
<span class="comment">/**</span>
<span class="comment"> * </span><span class="comment">Displays</span> <span class="comment">Enter</span> <span class="comment">number</span> <span class="comment">of</span> <span class="comment">names</span> <span class="comment">or</span><span class="comment"> -1 </span><span class="comment">to</span> <span class="comment">quit</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@return</span> <span class="comment">number</span> <span class="comment">of</span> <span class="comment">students</span> <span class="comment">or</span><span class="comment"> -1;</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> <span class="ST2">menu</span>()
{
<span class="literal">int</span> userInt = -<span class="number">1</span>;
<span class="literal">do</span> {
System.<span class="ST4">out</span>.println(<span class="string">&quot;</span><span class="string">Enter the numbrer of students or -1 to quit: </span><span class="string">&quot;</span>);
Scanner input = <span class="literal">new</span> Scanner(System.<span class="ST4">in</span>);
userInt = input.nextInt();
<span class="literal">if</span> (userInt == <span class="number">0</span>) {
System.<span class="ST4">out</span>.println(<span class="string">&quot;</span><span class="string">Input cannot be 0!</span><span class="string">&quot;</span>);
} <span class="literal">else</span> {
<span class="literal">return</span> userInt;
}
} <span class="literal">while</span> (userInt != -<span class="number">1</span>);
<span class="literal">return</span> -<span class="number">1</span>;
}
<span class="comment">/**</span>
<span class="comment"> * </span><span class="comment">Reads</span> <span class="comment">form</span> <span class="comment">user</span> <span class="comment">a</span> <span class="comment">number</span> <span class="comment">of</span> <span class="comment">names</span><span class="comment">, </span><span class="comment">creates</span> <span class="comment">the</span> <span class="comment">array</span> <span class="comment">of</span> <span class="comment">names</span> <span class="comment">and</span> <span class="comment">returns</span> <span class="comment">it</span><span class="comment">.</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@param</span> <span class="ST5">numberOfNames</span>
<span class="comment"> * </span><span class="ST1">@return</span> <span class="comment">array</span> <span class="comment">of</span> <span class="comment">names</span><span class="comment">.</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">char</span>[][] <span class="ST2">readNames</span>(<span class="literal">int</span> numOfNames)
{
<span class="literal">char</span>[][] names = <span class="literal">new</span> <span class="literal">char</span>[numOfNames][];
Scanner input = <span class="literal">new</span> Scanner(System.<span class="ST4">in</span>);
<span class="literal">for</span> (<span class="literal">int</span> i = <span class="number">0</span>; i &lt; numOfNames; i++) {
System.<span class="ST4">out</span>.print(<span class="string">&quot;</span><span class="string">Enter a name: </span><span class="string">&quot;</span>);
names[i] = input.next().toCharArray();
}
<span class="literal">return</span> names;
}
<span class="literal">public</span> <span class="literal">static</span> String <span class="ST2">returnRowMajorOrder</span>(<span class="literal">char</span>[] ar)<span class="comment">//normal</span>
{
String returnString = <span class="string">&quot;&quot;</span>;
<span class="literal">for</span> (<span class="literal">int</span> x = <span class="number">0</span>; x &lt; ar.<span class="ST3">length</span>; ++x) {
returnString += ar[x];
}
<span class="literal">return</span> returnString;
}
<span class="comment">/**</span>
<span class="comment"> * </span><span class="comment">Sorts</span> <span class="comment">the</span> <span class="comment">array</span> <span class="comment">in</span> <span class="comment">ascending</span> <span class="comment">order</span><span class="comment">.</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@param</span> <span class="ST5">ar</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">sortNames</span>(<span class="literal">char</span>[][] names)
{
<span class="literal">for</span> (<span class="literal">int</span> i = <span class="number">0</span>; i &lt; names.<span class="ST3">length</span> - <span class="number">1</span>; ++i) {
<span class="literal">for</span> (<span class="literal">int</span> j = i + <span class="number">1</span>; j &lt; names.<span class="ST3">length</span>; ++j) {
<span class="literal">char</span> compChar1 = names[i][<span class="number">0</span>], compChar2 = names[j][<span class="number">0</span>];
<span class="comment">// Reoder entire row</span>
<span class="literal">for</span> (<span class="literal">int</span> rowIterate = <span class="number">1</span>; rowIterate &lt; <span class="ST6">maxNumberOfColumnsInJagged2dArray</span>(names); ++rowIterate) {
<span class="literal">if</span> (Character.<span class="ST6">toLowerCase</span>(compChar1) == Character.<span class="ST6">toLowerCase</span>(compChar2)) {
<span class="literal">try</span> {
compChar1 = names[i][rowIterate];
compChar2 = names[j][rowIterate];
} <span class="literal">catch</span> (Exception ex) {
<span class="comment">// If it&#39;s failed, the index has gone out of range.</span>
<span class="comment">// Check the length of the arrays and swap the larger one with the smaller one.</span>
<span class="literal">if</span> (names[i].<span class="ST3">length</span> &gt; names[j].<span class="ST3">length</span>) {
System.<span class="ST4">out</span>.println(names[i].<span class="ST3">length</span> + <span class="string">&quot;</span> <span class="string">&quot;</span> + names[j].<span class="ST3">length</span>);
System.<span class="ST4">out</span>.println(<span class="string">&quot;</span><span class="string">Swapping </span><span class="string">&quot;</span> + <span class="ST6">returnRowMajorOrder</span>(names[i]) + <span class="string">&quot;</span><span class="string"> with </span><span class="string">&quot;</span> + <span class="ST6">returnRowMajorOrder</span>(names[j]));
<span class="literal">char</span>[] temp = names[i];
names[i] = names[j];
names[j] = temp;
}
<span class="literal">break</span>;
}
}
<span class="literal">if</span> (Character.<span class="ST6">toLowerCase</span>(compChar1) &gt; Character.<span class="ST6">toLowerCase</span>(compChar2)) {
System.<span class="ST4">out</span>.println(<span class="string">&quot;</span><span class="string">Swapping </span><span class="string">&quot;</span> + <span class="ST6">returnRowMajorOrder</span>(names[i]) + <span class="string">&quot;</span><span class="string"> with </span><span class="string">&quot;</span> + <span class="ST6">returnRowMajorOrder</span>(names[j]));
<span class="literal">char</span>[] temp = names[i];
names[i] = names[j];
names[j] = temp;
<span class="literal">break</span>;
}
}
}
}
}
<span class="comment">/**</span>
<span class="comment"> * </span><span class="comment">Prints</span> <span class="comment">the</span> <span class="comment">array</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@param</span> <span class="ST5">ar</span> <span class="comment">is</span> <span class="comment">printed</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">print</span>(<span class="literal">char</span>[][] ar)
{
<span class="literal">for</span> (<span class="literal">char</span>[] nested : ar) {
System.<span class="ST4">out</span>.println(Arrays.<span class="ST6">toString</span>(nested));
}
}
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">main</span>(String[] args)
{
<span class="literal">int</span> numOfNames = <span class="ST6">menu</span>();
<span class="literal">char</span>[][] names = <span class="literal">null</span>;
<span class="literal">while</span> (numOfNames != -<span class="number">1</span>) {
names = <span class="ST6">readNames</span>(numOfNames);
System.<span class="ST4">out</span>.println(<span class="string">&quot;</span><span class="string">Original Names:</span><span class="string">&quot;</span>);
<span class="ST6">print</span>(names);
System.<span class="ST4">out</span>.println(<span class="string">&quot;</span><span class="string">Sorted Names:</span><span class="string">&quot;</span>);
<span class="ST6">sortNames</span>(names);
<span class="ST6">print</span>(names);
numOfNames = <span class="ST6">menu</span>();
}
System.<span class="ST4">out</span>.println(<span class="string">&quot;</span><span class="string">goodbye!</span><span class="string">&quot;</span>);
}
}
</pre></body>
</html>

169
Semester 2/Exams/PracticeExam1/Problem2.html
Unescape Escape View File

@ -0,0 +1,169 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Problem2ArrayObjects.java</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<style type="text/css">
<!--
body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace}
table {color: #888888; background-color: #313335; font-family: monospace}
.ST3 {color: #9876aa}
.number {color: #6897bb}
.string {color: #6a8759}
.comment {color: #808080}
.whitespace {color: #505050}
.ST2 {color: #ffc66d; font-family: monospace; font-style: italic}
.ST4 {color: #9876aa; font-family: monospace; font-style: italic}
.ST1 {color: #808080; font-family: monospace; font-weight: bold}
.ST5 {color: #8a653b}
.ST0 {color: #287bde}
.literal {color: #cc7832}
.ST6 {font-family: monospace; font-style: italic}
-->
</style>
</head>
<body>
<table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Semester 2/Exams/PracticeExam1/src/main/java/com/calebfontenot/practiceexam1/Problem2ArrayObjects.java</td></tr></table>
<pre>
<span class="comment">/*</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span>
<span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span>
<span class="comment"> */</span>
<span class="literal">package</span> com.calebfontenot.practiceexam1;
<span class="literal">import</span> java.util.Scanner;
<span class="comment">/**</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">caleb</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">class</span> Problem2ArrayObjects {
<span class="literal">private</span> String[] <span class="comment">names</span>;
<span class="comment">/**</span>
<span class="comment"> * </span><span class="comment">Displays</span><span class="comment">: </span><span class="comment">Enter</span> <span class="comment">number</span> <span class="comment">of</span> <span class="comment">names</span> <span class="comment">or</span><span class="comment"> -1 </span><span class="comment">to</span> <span class="comment">quit</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@return</span> <span class="comment">number</span> <span class="comment">of</span> <span class="comment">students</span> <span class="comment">or</span><span class="comment"> -1;</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> <span class="ST2">maxNumberOfColumnsInStringArray</span>(String[] ar)
{
<span class="literal">int</span> maxNumberOfColumns = <span class="number">0</span>;
<span class="literal">for</span> (<span class="literal">int</span> row = <span class="number">0</span>; row &lt; ar.<span class="ST3">length</span>; ++row) {
<span class="literal">if</span> (ar[row].length() &gt; maxNumberOfColumns) {
maxNumberOfColumns = ar[row].length();
}
}
<span class="literal">return</span> maxNumberOfColumns;
}
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">int</span> <span class="ST2">menu</span>()
{
<span class="literal">int</span> userInt = -<span class="number">1</span>;
<span class="literal">do</span> {
System.<span class="ST4">out</span>.println(<span class="string">&quot;</span><span class="string">Enter the numbrer of students or -1 to quit: </span><span class="string">&quot;</span>);
Scanner input = <span class="literal">new</span> Scanner(System.<span class="ST4">in</span>);
userInt = input.nextInt();
<span class="literal">if</span> (userInt == <span class="number">0</span>) {
System.<span class="ST4">out</span>.println(<span class="string">&quot;</span><span class="string">Input cannot be 0!</span><span class="string">&quot;</span>);
} <span class="literal">else</span> {
<span class="literal">return</span> userInt;
}
} <span class="literal">while</span> (userInt != -<span class="number">1</span>);
<span class="literal">return</span> -<span class="number">1</span>;
}
<span class="comment">/**</span>
<span class="comment"> * </span><span class="comment">Reads</span> <span class="comment">form</span> <span class="comment">user</span> <span class="comment">a</span> <span class="comment">number</span> <span class="comment">of</span> <span class="comment">names</span><span class="comment">, </span><span class="comment">creates</span> <span class="comment">the</span> <span class="comment">array</span> <span class="comment">of</span> <span class="comment">names</span> <span class="comment">and</span> <span class="comment">returns</span> <span class="comment">it</span><span class="comment">.</span> <span class="comment">Stores</span> <span class="comment">the</span> <span class="comment">array</span> <span class="comment">into</span> <span class="comment">this</span><span class="comment">.</span><span class="comment">names</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@param</span> <span class="ST5">numberOfNames</span>
<span class="comment"> * </span><span class="ST1">@return</span> <span class="comment">array</span> <span class="comment">of</span> <span class="comment">names</span><span class="comment">.</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">static</span> String[] <span class="ST2">readNames</span>(<span class="literal">int</span> numOfNames)
{
String[] names = <span class="literal">new</span> String[numOfNames];
Scanner input = <span class="literal">new</span> Scanner(System.<span class="ST4">in</span>);
<span class="literal">for</span> (<span class="literal">int</span> i = <span class="number">0</span>; i &lt; numOfNames; i++) {
System.<span class="ST4">out</span>.print(<span class="string">&quot;</span><span class="string">Enter a name: </span><span class="string">&quot;</span>);
names[i] = input.next();
}
<span class="literal">return</span> names;
}
<span class="comment">/**</span>
<span class="comment"> * </span><span class="comment">Sorts</span> <span class="comment">the</span> <span class="comment">array</span> <span class="comment">of</span> <span class="comment">names</span> <span class="comment">in</span> <span class="comment">ascending</span> <span class="comment">order</span> <span class="comment">Does</span> <span class="comment">not</span> <span class="comment">replace</span> <span class="comment">the</span> <span class="comment">this</span><span class="comment">.</span><span class="comment">names</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@param</span> <span class="ST5">ar</span> <span class="comment">the</span> <span class="comment">array</span> <span class="comment">to</span> <span class="comment">be</span> <span class="comment">sorted</span>
<span class="comment"> * </span><span class="ST1">@return</span> <span class="comment">returns</span> <span class="comment">the</span> <span class="comment">sorted</span> <span class="comment">array</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">sortNames</span>(String[] names)
{
<span class="literal">for</span> (<span class="literal">int</span> i = <span class="number">0</span>; i &lt; names.<span class="ST3">length</span> - <span class="number">1</span>; ++i) {
<span class="literal">for</span> (<span class="literal">int</span> j = i + <span class="number">1</span>; j &lt; names.<span class="ST3">length</span>; ++j) {
<span class="literal">char</span> compChar1 = names[i].charAt(<span class="number">0</span>), compChar2 = names[j].charAt(<span class="number">0</span>);
<span class="comment">// Reoder entire row</span>
<span class="literal">for</span> (<span class="literal">int</span> rowIterate = <span class="number">1</span>; rowIterate &lt; <span class="ST6">maxNumberOfColumnsInStringArray</span>(names); ++rowIterate) {
<span class="literal">if</span> (Character.<span class="ST6">toLowerCase</span>(compChar1) == Character.<span class="ST6">toLowerCase</span>(compChar2)) {
<span class="literal">try</span> {
compChar1 = names[i].charAt(rowIterate);
compChar2 = names[j].charAt(rowIterate);
} <span class="literal">catch</span> (Exception ex) {
<span class="comment">// If it&#39;s failed, the index has gone out of range.</span>
<span class="comment">// Check the length of the arrays and swap the larger one with the smaller one.</span>
<span class="literal">if</span> (names[i].length() &gt; names[j].length()) {
System.<span class="ST4">out</span>.println(names[i].length() + <span class="string">&quot;</span> <span class="string">&quot;</span> + names[j].length());
System.<span class="ST4">out</span>.println(<span class="string">&quot;</span><span class="string">Swapping </span><span class="string">&quot;</span> + names[i] + <span class="string">&quot;</span><span class="string"> with </span><span class="string">&quot;</span> + names[j]);
String temp = names[i];
names[i] = names[j];
names[j] = temp;
}
<span class="literal">break</span>;
}
}
<span class="literal">if</span> (Character.<span class="ST6">toLowerCase</span>(compChar1) &gt; Character.<span class="ST6">toLowerCase</span>(compChar2)) {
System.<span class="ST4">out</span>.println(<span class="string">&quot;</span><span class="string">Swapping </span><span class="string">&quot;</span> + names[i] + <span class="string">&quot;</span><span class="string"> with </span><span class="string">&quot;</span> + names[j]);
String temp = names[i];
names[i] = names[j];
names[j] = temp;
<span class="literal">break</span>;
}
}
}
}
}
<span class="comment">/**</span>
<span class="comment"> * </span><span class="comment">Prints</span> <span class="comment">the</span> <span class="comment">array</span> <span class="comment">of</span> <span class="comment">objects</span>
<span class="comment"> *</span>
<span class="comment"> * </span><span class="ST1">@param</span> <span class="ST5">ar</span> <span class="comment">is</span> <span class="comment">printed</span>
<span class="comment">*/</span>
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">print</span>(String[] arr)
{
<span class="literal">for</span> (String string: arr) {
System.<span class="ST4">out</span>.println(string);
}
}
<span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">main</span>(String[] args)
{
<span class="literal">int</span> numOfNames = <span class="ST6">menu</span>();
String[] names = <span class="literal">null</span>;
<span class="literal">while</span> (numOfNames != -<span class="number">1</span>) {
names = <span class="ST6">readNames</span>(numOfNames);
System.<span class="ST4">out</span>.println(<span class="string">&quot;</span><span class="string">Original Names:</span><span class="string">&quot;</span>);
<span class="ST6">print</span>(names);
System.<span class="ST4">out</span>.println(<span class="string">&quot;</span><span class="string">Sorted Names:</span><span class="string">&quot;</span>);
<span class="ST6">sortNames</span>(names);
<span class="ST6">print</span>(names);
numOfNames = <span class="ST6">menu</span>();
}
System.<span class="ST4">out</span>.println(<span class="string">&quot;</span><span class="string">goodbye!</span><span class="string">&quot;</span>);
}
}
</pre></body>
</html>

14
Semester 2/Exams/PracticeExam1/pom.xml
Unescape Escape View File

@ -0,0 +1,14 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.calebfontenot</groupId>
<artifactId>PracticeExam1</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<exec.mainClass>com.calebfontenot.practiceexam1.PracticeExam1</exec.mainClass>
</properties>
</project>

80
Semester 2/Exams/PracticeExam1/src/main/java/com/calebfontenot/practiceexam1/Person.java
Unescape Escape View File

@ -0,0 +1,80 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.practiceexam1;
import java.util.GregorianCalendar;
import java.util.Objects;
/**
*
* @author caleb
*/
public class Person {
private String name;
private final GregorianCalendar birthDate;
public Person(String name, GregorianCalendar brithDate)
{
this.name = name;
this.birthDate = brithDate;
}
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
public GregorianCalendar getBirthdate() {
return this.birthDate;
}
@Override
public boolean equals(Object obj)
{
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final Person other = (Person) obj;
if (!Objects.equals(this.name, other.name)) {
return false;
}
return Objects.equals(this.birthDate, other.birthDate);
}
@Override
public String toString()
{
return "Person{" + "name=" + name + ", birthDate=" + birthDate.toInstant() + '}';
}
public static void main(String[] args)
{
Person john = new Person("John", new GregorianCalendar(2003, 8, 28));
Person mary = new Person("Mary", new GregorianCalendar(2004, 3, 23));
System.out.println(john);
System.out.println(mary);
Person john1 = new Person("John", new GregorianCalendar(2003, 8, 28));
Person john2 = new Person("John", new GregorianCalendar(2003, 10, 10));
Person john3 = new Person("John", new GregorianCalendar(2003, 8, 28));
System.out.println(john1.equals(john));
System.out.println(john2.equals(john));
System.out.println(john3.equals(john));
}
}

16
Semester 2/Exams/PracticeExam1/src/main/java/com/calebfontenot/practiceexam1/PracticeExam1.java
Unescape Escape View File

@ -0,0 +1,16 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
*/
package com.calebfontenot.practiceexam1;
/**
*
* @author caleb
*/
public class PracticeExam1 {
public static void main(String[] args) {
System.out.println("Hello World!");
}
}

143
Semester 2/Exams/PracticeExam1/src/main/java/com/calebfontenot/practiceexam1/Problem1ArrayNames.java
Unescape Escape View File

@ -0,0 +1,143 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.practiceexam1;
import java.util.Arrays;
import java.util.Scanner;
/**
*
* @author caleb
*/
public class Problem1ArrayNames {
public static int maxNumberOfColumnsInJagged2dArray(char[][] ar)
{
int maxNumberOfColumns = 0;
for (int row = 0; row < ar.length; ++row) {
if (ar[row].length > maxNumberOfColumns) {
maxNumberOfColumns = ar[row].length;
}
}
return maxNumberOfColumns;
}
/**
* Displays Enter number of names or -1 to quit
*
* @return number of students or -1;
*/
public static int menu()
{
int userInt = -1;
do {
System.out.println("Enter the numbrer of students or -1 to quit: ");
Scanner input = new Scanner(System.in);
userInt = input.nextInt();
if (userInt == 0) {
System.out.println("Input cannot be 0!");
} else {
return userInt;
}
} while (userInt != -1);
return -1;
}
/**
* Reads form user a number of names, creates the array of names and returns it.
*
* @param numberOfNames
* @return array of names.
*/
public static char[][] readNames(int numOfNames)
{
char[][] names = new char[numOfNames][];
Scanner input = new Scanner(System.in);
for (int i = 0; i < numOfNames; i++) {
System.out.print("Enter a name: ");
names[i] = input.next().toCharArray();
}
return names;
}
public static String returnRowMajorOrder(char[] ar)//normal
{
String returnString = "";
for (int x = 0; x < ar.length; ++x) {
returnString += ar[x];
}
return returnString;
}
/**
* Sorts the array in ascending order.
*
* @param ar
*/
public static void sortNames(char[][] names)
{
for (int i = 0; i < names.length - 1; ++i) {
for (int j = i + 1; j < names.length; ++j) {
char compChar1 = names[i][0], compChar2 = names[j][0];
// Reoder entire row
for (int rowIterate = 1; rowIterate < maxNumberOfColumnsInJagged2dArray(names); ++rowIterate) {
if (Character.toLowerCase(compChar1) == Character.toLowerCase(compChar2)) {
try {
compChar1 = names[i][rowIterate];
compChar2 = names[j][rowIterate];
} catch (Exception ex) {
// If it's failed, the index has gone out of range.
// Check the length of the arrays and swap the larger one with the smaller one.
if (names[i].length > names[j].length) {
System.out.println(names[i].length + " " + names[j].length);
System.out.println("Swapping " + returnRowMajorOrder(names[i]) + " with " + returnRowMajorOrder(names[j]));
char[] temp = names[i];
names[i] = names[j];
names[j] = temp;
}
break;
}
}
if (Character.toLowerCase(compChar1) > Character.toLowerCase(compChar2)) {
System.out.println("Swapping " + returnRowMajorOrder(names[i]) + " with " + returnRowMajorOrder(names[j]));
char[] temp = names[i];
names[i] = names[j];
names[j] = temp;
break;
}
}
}
}
}
/**
* Prints the array
*
* @param ar is printed
*/
public static void print(char[][] ar)
{
for (char[] nested : ar) {
System.out.println(Arrays.toString(nested));
}
}
public static void main(String[] args)
{
int numOfNames = menu();
char[][] names = null;
while (numOfNames != -1) {
names = readNames(numOfNames);
System.out.println("Original Names:");
print(names);
System.out.println("Sorted Names:");
sortNames(names);
print(names);
numOfNames = menu();
}
System.out.println("goodbye!");
}
}

138
Semester 2/Exams/PracticeExam1/src/main/java/com/calebfontenot/practiceexam1/Problem2ArrayObjects.java
Unescape Escape View File

@ -0,0 +1,138 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.practiceexam1;
import java.util.Scanner;
/**
*
* @author caleb
*/
public class Problem2ArrayObjects {
private String[] names;
/**
* Displays: Enter number of names or -1 to quit
*
* @return number of students or -1;
*/
public static int maxNumberOfColumnsInStringArray(String[] ar)
{
int maxNumberOfColumns = 0;
for (int row = 0; row < ar.length; ++row) {
if (ar[row].length() > maxNumberOfColumns) {
maxNumberOfColumns = ar[row].length();
}
}
return maxNumberOfColumns;
}
public static int menu()
{
int userInt = -1;
do {
System.out.println("Enter the numbrer of students or -1 to quit: ");
Scanner input = new Scanner(System.in);
userInt = input.nextInt();
if (userInt == 0) {
System.out.println("Input cannot be 0!");
} else {
return userInt;
}
} while (userInt != -1);
return -1;
}
/**
* Reads form user a number of names, creates the array of names and returns it. Stores the array into this.names
*
* @param numberOfNames
* @return array of names.
*/
public static String[] readNames(int numOfNames)
{
String[] names = new String[numOfNames];
Scanner input = new Scanner(System.in);
for (int i = 0; i < numOfNames; i++) {
System.out.print("Enter a name: ");
names[i] = input.next();
}
return names;
}
/**
* Sorts the array of names in ascending order Does not replace the this.names
*
* @param ar the array to be sorted
* @return returns the sorted array
*/
public static void sortNames(String[] names)
{
for (int i = 0; i < names.length - 1; ++i) {
for (int j = i + 1; j < names.length; ++j) {
char compChar1 = names[i].charAt(0), compChar2 = names[j].charAt(0);
// Reoder entire row
for (int rowIterate = 1; rowIterate < maxNumberOfColumnsInStringArray(names); ++rowIterate) {
if (Character.toLowerCase(compChar1) == Character.toLowerCase(compChar2)) {
try {
compChar1 = names[i].charAt(rowIterate);
compChar2 = names[j].charAt(rowIterate);
} catch (Exception ex) {
// If it's failed, the index has gone out of range.
// Check the length of the arrays and swap the larger one with the smaller one.
if (names[i].length() > names[j].length()) {
System.out.println(names[i].length() + " " + names[j].length());
System.out.println("Swapping " + names[i] + " with " + names[j]);
String temp = names[i];
names[i] = names[j];
names[j] = temp;
}
break;
}
}
if (Character.toLowerCase(compChar1) > Character.toLowerCase(compChar2)) {
System.out.println("Swapping " + names[i] + " with " + names[j]);
String temp = names[i];
names[i] = names[j];
names[j] = temp;
break;
}
}
}
}
}
/**
* Prints the array of objects
*
* @param ar is printed
*/
public static void print(String[] arr)
{
for (String string: arr) {
System.out.println(string);
}
}
public static void main(String[] args)
{
int numOfNames = menu();
String[] names = null;
while (numOfNames != -1) {
names = readNames(numOfNames);
System.out.println("Original Names:");
print(names);
System.out.println("Sorted Names:");
sortNames(names);
print(names);
numOfNames = menu();
}
System.out.println("goodbye!");
}
}

17
Semester 2/TestProject/src/main/java/com/calebfontenot/testproject/Emoji.java
Unescape Escape View File

@ -0,0 +1,17 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.testproject;
/**
*
* @author caleb
*/
public class Emoji {
public static void main(String[] args)
{
char emoji = '😁';
System.out.println(emoji);
}
}

21
Semester 2/TestProject/src/main/java/com/calebfontenot/testproject/ParseInt.java
Unescape Escape View File

@ -0,0 +1,21 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.testproject;
/**
*
* @author caleb
*/
public class ParseInt {
public static void main(String[] args)
{
java.math.BigDecimal bigInt = new java.math.BigDecimal(343.445);
System.out.println(bigInt);
String string = new String("lol");
String string2 = "lol2";
System.out.println(string.getClass().getName());
System.out.println(string2.getClass().getName());
}
}

38
Semester 2/TestProject/src/main/java/com/calebfontenot/testproject/StringBuilderTest2.java
Unescape Escape View File

@ -0,0 +1,38 @@
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
*/
package com.calebfontenot.testproject;
import java.util.*;
/**
*
* @author caleb
*/
public class StringBuilderTest2 {
public static void main(String[] args)
{
StringBuilder strBuf = new StringBuilder();
strBuf.append("ABCDEFG");
System.out.println(strBuf);
strBuf.insert(3, "RRRR");
System.out.println(strBuf);
String s1 = "Welcome to Java";
String s2 = "Welcome to Java";
System.out.println("s1 == s2 is " + (s1 == s2));
Circle[] circleArray = new Circle[5];
circleArray[0] = "test";
for (Circle object: circleArray) {
System.out.println(object);
}
}
}
public class Circle {
Circle() {
}
}