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  • zbb20180913 java thread 死锁示例代码

    package com.zbb.test.thread;
    
    public class DeadLock {
    	public static String obj1 = "obj1";
    	public static String obj2 = "obj2";
    
    	public static void main(String[] args) {
    		Thread a = new Thread(new Lock1());
    		Thread b = new Thread(new Lock2());
    		a.start();
    		b.start();
    	}
    }
    
    class Lock1 implements Runnable {
    	@Override
    	public void run() {
    		try {
    			System.out.println("Lock1 running");
    			while (true) {
    				synchronized (DeadLock.obj1) {
    					System.out.println("Lock1 lock obj1");
    					Thread.sleep(3000);// 获取obj1后先等一会儿,让Lock2有足够的时间锁住obj2
    					synchronized (DeadLock.obj2) {
    						System.out.println("Lock1 lock obj2");
    					}
    				}
    			}
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    	}
    }
    
    class Lock2 implements Runnable {
    	@Override
    	public void run() {
    		try {
    			System.out.println("Lock2 running");
    			while (true) {
    				synchronized (DeadLock.obj2) {
    					System.out.println("Lock2 lock obj2");
    					Thread.sleep(3000);
    					synchronized (DeadLock.obj1) {
    						System.out.println("Lock2 lock obj1");
    					}
    				}
    			}
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    	}
    }
    

      

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  • 原文地址:https://www.cnblogs.com/super-admin/p/9640663.html
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