public class DeadThread {
    A a = new A();
    B b = new B();

    public DeadThread() {
        a.start();
        b.start();
    }

    public static void main(String[] args) {
        new DeadThread();
    }

    class A extends Thread {
        @Override
        public void run() {
            getKZ();
        }

        public
 
 synchronized void getKZ() {
            try {
                System.out.println("我有筷子,我想要勺子");
                Thread.sleep(1000);
                b.getSZ();
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }

    class
 
 B extends Thread {
        @Override
        public void run() {
                getSZ();
        }
        public synchronized void getSZ() {
            try {
                System.out.println("我有勺子,我想要筷子");
                Thread.sleep(1000);
                a.getKZ();
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
 

                e.printStackTrace();
            }
        }
    }
}