squid:S2974 - Classes without public constructors should be final

2016-02-09 17:19:31 +02:00
parent 33224dd7d7
commit 632174b6dc
14 changed files with 14 additions and 14 deletions
--- a/null-object/src/main/java/com/iluwatar/nullobject/NullNode.java
+++ b/null-object/src/main/java/com/iluwatar/nullobject/NullNode.java
@ -29,7 +29,7 @@ package com.iluwatar.nullobject;
 * Implemented as Singleton, since all the NullNodes are the same.
 *
 */
-public class NullNode implements Node {
+public final class NullNode implements Node {

  private static NullNode instance = new NullNode();