Ping Pong using wait notify

package com.help4j.core.thread;

public class PingPong {

 public static void main(String[] args) {
  Object LOCK_OBJECT = new Object();
  Thread ping = new Thread(new PingPongThread(LOCK_OBJECT, "Ping"));
  Thread pong = new Thread(new PingPongThread(LOCK_OBJECT, "Pong"));
  ping.start();
  pong.start();
 }
 
}


class PingPongThread implements Runnable{
 
 private Object LOCK_OBJECT;
 private String name;
 
 public PingPongThread(Object LOCK_OBJECT, String name) {
  this.LOCK_OBJECT = LOCK_OBJECT;
  this.name = name;
 }
 
 @Override
 public void run() {
  synchronized (LOCK_OBJECT) {
   while(true) {
    System.out.println(name);
    
    try {
     Thread.sleep(1000);
    } catch (InterruptedException e1) {
     e1.printStackTrace();
    }
    
    LOCK_OBJECT.notify();
    
    try {
     LOCK_OBJECT.wait(1000);
    } catch (InterruptedException e) {
     e.printStackTrace();
    }
   }   
  }  
 }
}