自定义死锁

package 多线程练习.锁学习;

/*
   两个线程互相抱对方想要的锁 都在等待对方释放锁 所以卡死了
 */
public class 自定义死锁 {
    public static void main(String[] args) {
        Runnable lileilei = new MakeUp(0, "李蕾蕾");
        Runnable hanmeimei = new MakeUp(0, "韩梅梅");
        new Thread(lileilei).start();
        new Thread(hanmeimei).start();
    }
}

//  口红
class LipStick {
}

// 镜子
class Mirror {
}

class MakeUp implements Runnable {

    // 保证独一份口红跟镜子
    static LipStick lipStick = new LipStick();
    static Mirror mirror = new Mirror();
    int choice;
    String grilName;

    public MakeUp(int choice, String grilName) {
        this.choice = choice;
        this.grilName = grilName;
    }

    @Override
    public void run() {

        if (choice == 0) {

            synchronized (lipStick) {
                System.out.println(grilName + "拿到了口红，接着他要拿镜子");
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                synchronized (mirror) {
                    System.out.println(grilName + "拿到了镜子");
                }
            }
        } else {

            synchronized (mirror) {
                System.out.println(grilName + "拿到了镜子，接着他要拿口红");
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                synchronized (lipStick) {
                    System.out.println(grilName + "拿到了口红");
                }
            }
        }


    }
}

两个线程互相抱对方想要的锁 都在等待对方释放锁 所以卡死了