eliminated volatile

Bruce Eckel · Bruce Eckel · commit 620703ef6f7b · 2017-01-02T14:20:31.000-08:00
diff --git a/concurrent/Summing.java b/concurrent/Summing.java
@@ -7,13 +7,11 @@
 import onjava.Timer;
 
 public class Summing {
-  static volatile long result;
   static void timeTest(String id, long checkValue,
     LongSupplier operation) {
     System.out.print(id + ": ");
     Timer timer = new Timer();
-     // Prevent optimization:
-    result = operation.getAsLong();
+    long result = operation.getAsLong();
     if(result == checkValue)
       System.out.println(timer.duration() + "ms");
     else
