1 package volati; 2  3 /** 4  * Created by lhw on 16-7-29. 5  */ 6 public class Demo { 7     private static volatile long longVal = 0; 8  9 10     public static void main(String[] args) {11 12         new Thread(new Runnable() {13             @Override14             public void run() {15                 for (int i =0 ; i<10 ;i ++) {16                     longVal = longVal + 1;17                     System.out.println(longVal);18                 }19             }20         }).start();21 22 23         new Thread(24                 new Runnable(){25                     @Override26                     public void run() {27                         longVal =10;28                         System.out.println(longVal+"haha");29                     }30                 }).start();31         32     }33     34 }

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