Comments for adapter example.

adapter/src/main/java/com/iluwatar/App.java

@@ -1,5 +1,11 @@
 package com.iluwatar;
 
+/**
+ * 
+ * Adapter (GnomeEngineerAdapter) converts the interface of the
+ * target class (GoblinGlider) into suitable one.
+ *
+ */
 public class App 
 {
     public static void main( String[] args )

adapter/src/main/java/com/iluwatar/GnomeEngineerAdapter.java

@@ -1,5 +1,10 @@
 package com.iluwatar;
 
+/**
+ * 
+ * Adapter class.
+ *
+ */
 public class GnomeEngineerAdapter {
 
 	private GoblinGlider glider;

adapter/src/main/java/com/iluwatar/GoblinGlider.java

@@ -1,5 +1,10 @@
 package com.iluwatar;
 
+/**
+ * 
+ * Adaptee class.
+ *
+ */
 public class GoblinGlider {
 
 	public void attachGlider() {