--- jsr166/src/test/loops/SimpleTimedLockLoops.java	2009/10/29 23:09:08	1.4
+++ jsr166/src/test/loops/SimpleTimedLockLoops.java	2016/12/31 22:17:40	1.9
@@ -1,12 +1,14 @@
 /*
  * Written by Doug Lea with assistance from members of JCP JSR-166
  * Expert Group and released to the public domain, as explained at
- * http://creativecommons.org/licenses/publicdomain
+ * http://creativecommons.org/publicdomain/zero/1.0/
  */
 
-import java.util.concurrent.*;
-import java.util.concurrent.locks.*;
-import java.util.*;
+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;
 
 public final class SimpleTimedLockLoops {
     static final ExecutorService pool = Executors.newCachedThreadPool();
@@ -54,9 +56,9 @@ public final class SimpleTimedLockLoops
             barrier.await();
             if (print) {
                 long time = timer.getTime();
-                long tpi = time / ((long)iters * nthreads);
+                long tpi = time / ((long) iters * nthreads);
                 System.out.print("\t" + LoopHelpers.rightJustify(tpi) + " ns per lock");
-                double secs = (double)(time) / 1000000000.0;
+                double secs = (double) time / 1000000000.0;
                 System.out.println("\t " + secs + "s run time");
             }