package com.he.jin.bin;

/**
 * QQ 277803242
 * 
 * @author 何锦彬 2014.1.29
 * 
 * 线程死锁演示调优
 * 
 */
public class Test4DeadLock extends Thread {
    public static Object obj1 = new Object();
    public static Object obj2 = new Object();

    public static void main(String[] args) {
        new Thread(new Runnable() {
            public void run() {
                synchronized (obj1) {
                    System.out.println("have in obj1 lock");
                    try {
                        Thread.sleep(100);
                    } catch (InterruptedException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                    System.out.println("wait for obj2 lock");
                    synchronized (obj2) {
                        System.out.println("lock2 have been done");
                    }
                }
            }
        }).start();
        new Thread(new Runnable() {

            @Override
            public void run() {
                synchronized (obj2) {
                    System.out.println("have in obj2 lock");
                    try {
                        Thread.sleep(100);
                    } catch (InterruptedException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                    System.out.println("wait for obj1 lock");
                    synchronized (obj1) {
                        System.out.println("lock1 have been done");
                    }
                }
            }
        }).start();
    }
}

have in obj1 lock
have in obj2 lock
wait for obj1 lock
wait for obj2 lock