线程死锁Demo

package 线程死锁;

public class Lock {
    static Object lock1 = new Object();
    static Object lock2 = new Object();
}

package 线程死锁;

public class Dielock implements Runnable{

    private boolean flag;
    
    @Override
    public void run() {
        if(flag) {
            synchronized(Lock.lock1) {
                System.out.println("线程1拿到第一把锁");
                synchronized (Lock.lock2) {
                    System.out.println("线程1要拿第二把锁");
                    
                    
                }
            }
            
            
        }else {
            
            synchronized (Lock.lock2) {
                System.out.println("线程2拿到第2把锁");
                synchronized (Lock.lock1) {
                    System.out.println("线程2要拿第1把锁");
                    
                }
            }
            
        }
    }
    /**
     * 线程开发的时候避免出现死锁
     * @param flag
     */

    public Dielock(boolean flag) {
        super();
        this.flag = flag;
    }
    
}

package 线程死锁;

public class DieLockTest {
    public static void main(String[] args) {
        
        
        Dielock di1 = new Dielock(true);
        Dielock di2 = new Dielock(false);
        
        Thread t1 = new Thread(di1);
        Thread t2 = new Thread(di2);
        t1.start();
        t2.start();
    }
}