--- jsr166/src/test/loops/LockLoops.java	2016/06/09 15:28:19	1.15
+++ jsr166/src/test/loops/LockLoops.java	2016/12/31 18:54:28	1.16
@@ -8,9 +8,14 @@
  * Simple benchmark comparing various locking techniques.
  */
 
-import java.util.*;
-import java.util.concurrent.*;
-import java.util.concurrent.locks.*;
+import java.util.concurrent.CyclicBarrier;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Semaphore;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+import java.util.concurrent.locks.StampedLock;
 
 public final class LockLoops {
     static final ExecutorService pool = Executors.newCachedThreadPool();