--- jsr166/src/test/loops/FutileTimedTryLockLoops.java	2015/01/26 17:40:39	1.4
+++ jsr166/src/test/loops/FutileTimedTryLockLoops.java	2016/12/31 18:54:28	1.5
@@ -4,9 +4,13 @@
  * http://creativecommons.org/publicdomain/zero/1.0/
  */
 
-import java.util.*;
-import java.util.concurrent.*;
-import java.util.concurrent.locks.*;
+import java.util.Collections;
+import java.util.concurrent.Callable;
+import java.util.concurrent.CyclicBarrier;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.locks.ReentrantLock;
 
 /**
  * Measures repeated futile timed attempts to acquire a ReentrantLock.