ArrayIntList implemented fully with custom to string. Tests all items…

… and functions as expected.

Struggles with large data sets due to linear search use.

Rev2

src/ArrayIntList.java

@@ -235,16 +235,9 @@ private void resize(int newSize) {
     }
 
     /**
-     * Returns an iterator over elements of type {@code T}.
-     *
-     * @return an Iterator.
+     * Custom toString for this arraylist implementation that returns a stringified display of the contents
+     * @return a string of the contents of the arraylist
      */
-    @Override
-    public Iterator<Integer> iterator() {
-        return null;
-    }
-
-
     @Override
     public String toString() {
         StringBuilder sb = new StringBuilder();
@@ -263,6 +256,16 @@ public String toString() {
         return sb.toString();
     }
 
+    /**
+     * Returns an iterator over elements of type {@code T}.
+     *
+     * @return an Iterator.
+     */
+    @Override
+    public Iterator<Integer> iterator() {
+        return new IntListIterator();
+    }
+
 private class IntListIterator implements Iterator<Integer> {
     private int i;
 

src/Main.java

@@ -27,10 +27,12 @@ public static void main(String[] args) {
         System.out.println(testList.toString());
         System.out.println("The array has a size of: " + testList.size());
         System.out.println("Adding enough elements to force a resize");
-        for (int i = 0; i < 16; i++){
+        for (int i = 0; i < 15; i++){
             testList.addBack(i);
         }
         System.out.println("New array size: "+testList.size());
         System.out.println(testList.toString());
+        testList.add(3,3);
+        System.out.println(testList.toString());
     }
 }