Added comments for iterator example.

iluwatar · iluwatar · commit 40e544471850 · 2014-08-31T11:03:43.000+03:00
diff --git a/iterator/src/main/java/com/iluwatar/App.java b/iterator/src/main/java/com/iluwatar/App.java
@@ -1,5 +1,12 @@
 package com.iluwatar;
 
+/**
+ * 
+ * Iterator (ItemIterator) adds abstraction layer on top of a 
+ * collection (TreasureChest). This way the collection can change 
+ * its internal implementation without affecting its clients.
+ *
+ */
 public class App 
 {
     public static void main( String[] args )
diff --git a/iterator/src/main/java/com/iluwatar/ItemIterator.java b/iterator/src/main/java/com/iluwatar/ItemIterator.java
@@ -1,5 +1,10 @@
 package com.iluwatar;
 
+/**
+ * 
+ * Iterator interface.
+ *
+ */
 public interface ItemIterator {
 
 	boolean hasNext();
diff --git a/iterator/src/main/java/com/iluwatar/TreasureChest.java b/iterator/src/main/java/com/iluwatar/TreasureChest.java
@@ -3,6 +3,11 @@
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * 
+ * Collection class.
+ *
+ */
 public class TreasureChest {
 
 	private List<Item> items;
