iluwatar#107 Improve JavaDoc for Null Object example

iluwatar · iluwatar · commit 2bc23844a40a · 2015-08-20T22:42:49.000+03:00
diff --git a/null-object/src/main/java/com/iluwatar/nullobject/App.java b/null-object/src/main/java/com/iluwatar/nullobject/App.java
@@ -5,14 +5,18 @@
  * Null Object pattern replaces null values with neutral objects.
  * Many times this simplifies algorithms since no extra null checks
  * are needed.
- * 
+ * <p>
  * In this example we build a binary tree where the nodes are either
  * normal or Null Objects. No null values are used in the tree making
  * the traversal easy.
  *
  */
 public class App 
 {
+	/**
+	 * Program entry point
+	 * @param args command line args
+	 */
     public static void main( String[] args ) {
     	
     	Node root = new NodeImpl("1",
diff --git a/null-object/src/main/java/com/iluwatar/nullobject/NullNode.java b/null-object/src/main/java/com/iluwatar/nullobject/NullNode.java
@@ -3,7 +3,7 @@
 /**
  * 
  * Null Object implementation for binary tree node.
- * 
+ * <p>
  * Implemented as Singleton, since all the NullNodes are the same.
  *
  */
diff --git a/null-object/src/test/java/com/iluwatar/nullobject/AppTest.java b/null-object/src/test/java/com/iluwatar/nullobject/AppTest.java
@@ -4,6 +4,11 @@
 
 import com.iluwatar.nullobject.App;
 
+/**
+ * 
+ * Application test
+ *
+ */
 public class AppTest {
 
 	@Test

Original file line number	Diff line number	Diff line change
`@@ -3,7 +3,7 @@`
`3`	`3`	`/**`
`4`	`4`	`*`
`5`	`5`	`* Null Object implementation for binary tree node.`
`6`		`- *`
	`6`	`+ * <p>`
`7`	`7`	`* Implemented as Singleton, since all the NullNodes are the same.`
`8`	`8`	`*`
`9`	`9`	`*/`