--- jsr166/src/test/loops/UnboundedQueueFillEmptyLoops.java	2005/11/28 15:40:56	1.1
+++ jsr166/src/test/loops/UnboundedQueueFillEmptyLoops.java	2016/10/29 06:23:09	1.13
@@ -1,13 +1,11 @@
 /*
  * Written by Doug Lea with assistance from members of JCP JSR-166
- * Expert Group and released to the public domain. Use, modify, and
- * redistribute this code in any way without acknowledgement.
+ * Expert Group and released to the public domain, as explained at
+ * http://creativecommons.org/publicdomain/zero/1.0/
  */
 
-import java.util.*;
-import java.util.concurrent.*;
-import java.util.concurrent.locks.*;
-import java.util.concurrent.atomic.*;
+import java.util.Random;
+import java.util.Queue;
 
 public class UnboundedQueueFillEmptyLoops {
     static int maxSize = 10000;
@@ -16,16 +14,16 @@ public class UnboundedQueueFillEmptyLoop
     static Integer[] numbers;
 
     public static void main(String[] args) throws Exception {
-        Class klass = null;
+        Class<?> klass = null;
         if (args.length > 0) {
             try {
                 klass = Class.forName(args[0]);
-            } catch(ClassNotFoundException e) {
+            } catch (ClassNotFoundException e) {
                 throw new RuntimeException("Class " + args[0] + " not found.");
             }
         }
 
-        if (args.length > 2) 
+        if (args.length > 2)
             maxSize = Integer.parseInt(args[2]);
 
         System.out.print("Class: " + klass.getName());
@@ -42,10 +40,11 @@ public class UnboundedQueueFillEmptyLoop
         oneRun(klass, maxSize);
 
         if (total == 0) System.out.print(" ");
-   }
+    }
 
-    static void oneRun(Class klass, int n) throws Exception {
-        Queue<Integer> q = (Queue<Integer>)klass.newInstance();
+    static void oneRun(Class<?> klass, int n) throws Exception {
+        Queue<Integer> q =
+            (Queue<Integer>) klass.getConstructor().newInstance();
         int sum = total;
         int m = rng.nextInt(numbers.length);
         long startTime = System.nanoTime();
@@ -55,14 +54,13 @@ public class UnboundedQueueFillEmptyLoop
                     m = 0;
                 q.offer(numbers[m++]);
             }
-            Integer p;
-            while ((p = q.poll()) != null)
+            for (Integer p; (p = q.poll()) != null; )
                 sum += p.intValue();
         }
         total += sum;
         long endTime = System.nanoTime();
         long time = endTime - startTime;
-        double secs = (double)(time) / 1000000000.0;
+        double secs = (double) time / 1000000000.0;
         System.out.println("Time: " + secs);
     }