JDK并发包---(11)线程阻塞工具类：LockSupport

package org.miqi.thread.synchronous.control;

import java.util.concurrent.locks.LockSupport;

public class LockSupportDemo {

  public static Object u = new Object();
  public static ChangeObjectThread t1 = new ChangeObjectThread("t1");
  public static ChangeObjectThread t2 = new ChangeObjectThread("t2");
  
  
  public static class ChangeObjectThread extends Thread{
  
    public ChangeObjectThread(String threadName){
      super.setName(threadName);
    }
    
    @Override
    public void run() {
      synchronized(u){
        System.out.println(getName()+" get lock...");
        LockSupport.park();
        System.out.println(getName()+" is parking...");
      }
      
      System.out.println(getName()+" unpark...");
      
      try {
        Thread.sleep(1000);
        System.out.println(getName()+" is over...");
      } catch (InterruptedException e) {
      }
    }
  }
  
  public static void main(String args[]) throws InterruptedException {
    t1.start();
    Thread.sleep(100);
    t2.start();
    
    LockSupport.unpark(t1);
    LockSupport.unpark(t2);
    
    t1.join();
    t2.join();
    
    System.out.println("main thread is over...");
  }
}