ExecutorService is not shutting down

Question

I have the following code

    ExecutorService es = Executors.newSingleThreadExecutor();
    es.submit(new Runnable() {
           @Override public void run()         


        

Answer 1

isInterrupted() returns true if and only if thread's execution is interrupted.

     ExecutorService es = Executors.newSingleThreadExecutor();
        es.submit(new Runnable() {
               @Override public void run() 
               {   // infinite loop to process

                       while(true)
                       {                              
                          // We've been interrupted: no more processing.
                          if(Thread.currentThread().isInterrupted()){
                             return;
                           }
                       }

                }
       });
   es.shutdownNow();