Deadlock example in Java

DeadLockThread.java

public class DeadLockThread {
    public static Object object1 = new Object();
    public static Object object2 = new Object();

    public static void main(String args[]) {
        Thread1 thread1 = new Thread1();
        Thread2 thread2 = new Thread2();
        thread1.start();
        thread2.start();
    }

    private static class Thread1 extends Thread {
        public void run() {
            synchronized (object1) {
                System.out.println("Thread 1: Holds object 1.");

                try {
                    Thread.sleep(10);
                } catch (Exception e) {}
                System.out.println("Thread 1: Waiting for object 2.");

                synchronized (object2) {
                    System.out.println("Thread 1: Holds object 1 and object 2.");
                }
            }
        }
    }

    private static class Thread2 extends Thread {
        public void run() {
            synchronized (object2) {
                System.out.println("Thread 2: Holds object 2.");

                try {
                    Thread.sleep(10);
                } catch (Exception e) {}
                System.out.println("Thread 2: Waiting for object 1.");

                synchronized (object1) {
                    System.out.println("Thread 2: Holds object 1 and object 2.");
                }
            }
        }
    }
}