deadlockdemo.java

java课程的资料以及实验的代码

public class DeadlockDemo implements Runnable
{ 
	DeadlockDemo dd;
	public static void main(String[] args)
	{ 
		
		DeadlockDemo d1=new DeadlockDemo();
		DeadlockDemo d2=new DeadlockDemo();
		
		Thread t1=new Thread(d1);
		Thread t2=new Thread(d2);
		
		d1.dd=d2;
		d2.dd=d1;
		
		System.out.println("已启动");
		try
		{ 
			t1.join();
			t2.join();
		}
		catch(InterruptedException e)
		{ 
			System.out.println("Sth. Wrong");
		}
		
		System.exit(0);
	}
	
	public synchronized void run()
	{ 
		try{Thread.sleep(500);}
		catch(InterruptedException e){System.out.println("Sth. Wrong");}
		dd.syncIt();
	}
	
	public synchronized void syncIt()
	{ 
		try{Thread.sleep(500);System.out.println("同步");}
		catch(InterruptedException e){System.out.println("Sth. Wrong");}
		System.out.println("syncIt方法中");
	}
}