Shut down hook

Return	Method	Summary
void	addShutdownHook(Thread hook)	Registers a new virtual-machine shutdown hook.
boolean	removeShutdownHook(Thread hook)	De-registers a previously-registered virtual-machine shutdown hook.


public class Main {
  public static void main(String[] args) {
    Runtime runtime = Runtime.getRuntime();

    runtime.addShutdownHook(new Thread(){
      public void run(){
        System.out.println("Shut down");
        
      }
      
    });
  }
}

The output:


Shut down

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