Thread DeadLock in java

Thread DeadLock in java

SOURCE : Deadlock.java

public class Deadlock {

	public static void main(String[] args) {

		final String r1 = "resource1";
		final String r2 = "resource2";

		Thread t1 = new Thread() {

			public void run() {

				synchronized (r1) {

					System.out.println(" i m in resource 1 , waiting for 2 ");
					try {
						Thread.sleep(500);
					} catch (InterruptedException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}

					synchronized (r2) {
						System.out.println(" i m in resource 2 ");
					}

				}

			}
		};

		Thread t2 = new Thread() {

			public void run() {

				synchronized (r1) {

					System.out.println(" i m in resource 2 , waiting for 1 ");
					try {
						Thread.sleep(500);
					} catch (InterruptedException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}

					synchronized (r2) {
						System.out.println(" i m in resource 1 ");
					}

				}

			}

		};
		t1.start();
		t2.start();
	}

}

INPUT

OUTPUT

 i m in resource 1 , waiting for 2 
 i m in resource 2 
 i m in resource 2 , waiting for 1 
 i m in resource 1 

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