Deadlock.java

public class DeadLockProgram {
    // Creating Object Locks
    static Object ObjectLock1 = new Object();
    static Object ObjectLock2 = new Object();
   
    private static class ThreadName1 extends Thread {
      public void run() {
         synchronized (ObjectLock1) {
            System.out.println("Thread 1: Has  ObjectLock1");
            /* Adding sleep() method so that
               Thread 2 can lock ObjectLock2 */
            try { 
                Thread.sleep(100);
            }
            catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println("Thread 1: Waiting for ObjectLock 2");
            /*Thread 1 has ObjectLock1 
              but waiting for ObjectLock2*/
            synchronized (ObjectLock2) {
               System.out.println("Thread 1: No DeadLock");
            }
         }
      }
   }
   private static class ThreadName2 extends Thread {
      public void run() {
         synchronized (ObjectLock2) {
            System.out.println("Thread 2: Has  ObjectLock2");
            /* Adding sleep() method so that
               Thread 1 can lock ObjectLock1 */
            try { 
                Thread.sleep(100);
            }
            catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println("Thread 2: Waiting for ObjectLock 1");
            /*Thread 2 has ObjectLock2 
              but waiting for ObjectLock1*/
            synchronized (ObjectLock1) {
               System.out.println("Thread 2: No DeadLock");
            }
         }
      }
   }
   
   public static void main(String args[]) {
      ThreadName1 thread1 = new ThreadName1();
      ThreadName2 thread2 = new ThreadName2();
      thread1.start();
      thread2.start();
   }
}