--- jsr166/src/test/loops/CheckedLockLoops.java	2014/12/18 18:13:06	1.9
+++ jsr166/src/test/loops/CheckedLockLoops.java	2016/12/31 18:54:28	1.12
@@ -8,9 +8,14 @@
  * @summary basic safety and liveness of ReentrantLocks, and other locks based on them
  */
 
-import java.util.concurrent.*;
-import java.util.concurrent.locks.*;
-import java.util.*;
+import java.util.concurrent.Callable;
+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;
 
 public final class CheckedLockLoops {
     static final ExecutorService pool = Executors.newCachedThreadPool();
@@ -398,7 +403,6 @@ public final class CheckedLockLoops {
 
     }
 
-
     private static class FairReentrantReadWriteLockLoop extends LockLoop {
         private final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true);
         final int loop(int n) {