Fix PMD violations #327

double-checked-locking/src/main/java/com/iluwatar/doublechecked/locking/Item.java

@@ -6,7 +6,4 @@ package com.iluwatar.doublechecked.locking;
  *
  */
 public class Item {
-
-  private String name;
-  private int level;
 }

double-checked-locking/src/test/java/com/iluwatar/doublechecked/locking/AppTest.java

@@ -2,8 +2,6 @@ package com.iluwatar.doublechecked.locking;
 
 import org.junit.Test;
 
-import com.iluwatar.doublechecked.locking.App;
-
 /**
  * 
  * Application test

double-checked-locking/src/test/java/com/iluwatar/doublechecked/locking/InventoryTest.java

@@ -14,10 +14,7 @@ import java.util.concurrent.TimeUnit;
 import static junit.framework.Assert.assertTrue;
 import static junit.framework.TestCase.assertEquals;
 import static org.junit.Assert.assertNotNull;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.mockito.Mockito.*;
 
 /**
  * Date: 12/10/15 - 9:34 PM