toString why you be so stubborn

Semester 3/Assignments/LinkedList/src/linkedlist/EmptyListException.java

@@ -0,0 +1,16 @@
+/*
+ * 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 linkedlist;
+
+/**
+ *
+ * @author caleb
+ */
+public class EmptyListException extends RuntimeException{
+    public EmptyListException() {}
+    public EmptyListException(String msg) {
+        super(msg);
+    }
+}

Semester 3/Assignments/LinkedList/src/linkedlist/MyList.java

@@ -103,10 +103,13 @@ public class MyList<E> {
     }
         
         public E removeAt(int index) {
+            if (size() == 0) {
+                throw new EmptyListException("The list is empty.");
+            }
             if (index < 0 || index >= size())
                 throw new IndexOutOfBoundsException();
             if (size() == 0) 
-                throw new RuntimeException("Empty List");
+                throw new EmptyListException("Empty List");
             E removedE = null;
             if (index == 0) {
                 // remove the front

Semester 3/Assignments/MP6_CalebFontenot/src/main/java/edu/slcc/asdv/caleb/mp6_calebfontenot/DoubleLinkedList.java

@@ -18,6 +18,44 @@ public class DoubleLinkedList<T> {
         Node<T> right;
     }
     
+        public T removeAt(int pos)
+    {
+        if (pos < 0 || pos > size()-1)
+        {
+            throw new IndexOutOfBoundsException();
+        }
+        
+        //list is empty
+        if ( size() == 0 )
+            throw new EmptyListException( "The list empty.");
+        //remove at 0
+        if ( pos == 0)
+        {
+            
+            if ( size() == 1)
+              head = tail = null;  
+            else
+              head = head.right;         
+        }
+        else if (pos== size() - 1) {         //remove at end
+            tail = tail.left;
+            tail.right = null;
+        }
+        else {  //remove in the middle
+            Node<T> p = head;
+            for (int i = 0; i < pos; ++i) {
+                p = p.right;
+                p.left.right = p.right;
+                p.right.left = p.right;
+                p.right.left = p.left;
+            }
+        }
+
+
+        
+        return null;
+    }
+    
     public void addAt(T t, int pos) {
         if (pos < 0 || pos > size()) {
             throw new IndexOutOfBoundsException();
@@ -60,15 +98,17 @@ public class DoubleLinkedList<T> {
         String outputString =  "DoubleLinkedList{" + "head=" + head + ", tail=" + tail +", size=" + this.size() +  "}\n Contents= [";
         Node<T> p = head;
         int count = 0;
+        int size = size();
+        System.out.println(size);
         while (p != null) {
             outputString += p.t.toString();
-            if (count -1 < size()) {
+             count++;
+            if (count < size) {
                 outputString += ", ";
             } else {
                 outputString += "]";
             }
             p = p.right;
-            count++;
         }
         return outputString;
     }
@@ -82,6 +122,8 @@ public class DoubleLinkedList<T> {
         list.addAt(40, 0);
         list.addAt(40, 3);
         list.addAt(25, 3);
+        list.removeAt(3);
+        list.removeAt(1);
         System.out.println(list);
     }
 }

Semester 3/Assignments/MP6_CalebFontenot/src/main/java/edu/slcc/asdv/caleb/mp6_calebfontenot/EmptyListException.java

@@ -0,0 +1,16 @@
+/*
+ * 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 edu.slcc.asdv.caleb.mp6_calebfontenot;
+
+/**
+ *
+ * @author caleb
+ */
+public class EmptyListException extends RuntimeException{
+    public EmptyListException() {}
+    public EmptyListException(String msg) {
+        super(msg);
+    }
+}