多线程之：ThreadLocal

 1 public class MyThreadLocal {
 2     public static class IntegerRandom implements Runnable {
 3         private ThreadLocal<Integer> integerThreadLocal = new ThreadLocal<Integer>();
 4         public void run() {
 5             integerThreadLocal.set((int) (Math.random() * 100));
 6             try {
 7                 Thread.sleep(5000);
 8             } catch (InterruptedException e) {
 9                 e.printStackTrace();
10             }
11             System.out.println("ThreadLocal integer current value:"+integerThreadLocal.get());
12         }
13     }
14     public static void main(String[] args) {
15         IntegerRandom sharedIntegerRandom=new IntegerRandom();
16         new Thread(sharedIntegerRandom).start(); //should use join();
17         new Thread(sharedIntegerRandom).start(); //should use join();
18 　　} 
19 }