--- jsr166/src/test/loops/SimpleSemaphoreLoops.java	2009/11/03 01:04:02	1.5
+++ jsr166/src/test/loops/SimpleSemaphoreLoops.java	2016/12/31 19:05:06	1.8
@@ -1,12 +1,13 @@
 /*
  * 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.Semaphore;
 
 public final class SimpleSemaphoreLoops {
     static final ExecutorService pool = Executors.newCachedThreadPool();