package mthread;

public class ShutdownHookExample {

public static void main(String[] args) {

Thread t1 = new Thread() {

@Override

public void run() {

System.out.println("Shut down hook run this method. ");

}

};

Runtime r = Runtime.getRuntime();

r.addShutdownHook(t1);

try {

System.out.println("Press ctrl+c in command window to exit program.");

Thread.sleep(3000);

} catch (InterruptedException e) {

e.printStackTrace();

}

System.out.println("Calling System.exit()...");

System.exit(0); // exit program in the middle

System.out.println("After 3 second..");

}

}