求一个线程死锁的代码

Answer 1

public class TestLock
{    //资源A以及锁A
    public static String sourceA = "获得资源A";    //资源B以及锁B
    public static String sourceB = "获得资源B";    public static void main(String[] args)
    {
        Thread thread1 = new MyLockThread1();
        thread1.setName("thread1");
        Thread thread2 = new MyLockThread2();
        thread2.setName("thread2");
        
        thread1.start();
        thread2.start();
    }
}
class MyLockThread1
    extends Thread
{    public void run()
    {
        synchronized (TestLock.sourceA)
        {
            System.out.println(this.getName()+":"+TestLock.sourceA);
            try
            {
                //停顿5秒获取另一个资源
                Thread.sleep(5000);
            }
            catch (InterruptedException e)
            {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            System.out.println(this.getName()+":尝试获取资源B...");
            synchronized (TestLock.sourceB)
            {
                System.out.println(TestLock.sourceB);                try
                {
                    //停顿5秒进程结束
                    Thread.sleep(5000);
                }
                catch (InterruptedException e)
                {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        }
        System.out.println(this.getName()+":走到这里，说明没有发生锁，线程正常结束。");
    }
}
class MyLockThread2
    extends Thread
{    public void run()
    {
        synchronized (TestLock.sourceB)
        {
            System.out.println(this.getName()+":"+TestLock.sourceB);
            try
            {
                //停顿5秒获取另一个资源
                Thread.sleep(5000);
            }
            catch (InterruptedException e)
            {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            System.out.println(this.getName()+":尝试获取资源A...");
            synchronized (TestLock.sourceA)
            {
                System.out.println(this.getName()+":"+TestLock.sourceA);                try
                {
                    //停顿5秒进程结束
                    Thread.sleep(5000);
                }
                catch (InterruptedException e)
                {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        }
        System.out.println(this.getName()+":走到这里，说明没有发生锁，线程正常结束。");
    }
}