Improve Iterator Javadoc

iluwatar · iluwatar · commit e4ff39e08098 · 2015-10-03T21:37:29.000+03:00
diff --git a/iterator/src/main/java/com/iluwatar/iterator/App.java b/iterator/src/main/java/com/iluwatar/iterator/App.java
@@ -2,9 +2,13 @@
 
 /**
  * 
- * Iterator ({@link ItemIterator}) adds abstraction layer on top of a collection
- * ({@link TreasureChest}). This way the collection can change its internal
- * implementation without affecting its clients.
+ * The Iterator pattern is a design pattern in which an iterator is used to 
+ * traverse a container and access the container's elements. The Iterator pattern 
+ * decouples algorithms from containers.
+ * <p>
+ * In this example the Iterator ({@link ItemIterator}) adds abstraction layer on 
+ * top of a collection ({@link TreasureChest}). This way the collection can change 
+ * its internal implementation without affecting its clients.
  * 
  */
 public class App {
