// concurrent/MoreTasksAfterShutdown.java

// (c)2017 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

import java.util.concurrent.*;

public class MoreTasksAfterShutdown {

public static void main(String[] args) {

ExecutorService exec =

Executors.newSingleThreadExecutor();

exec.execute(new NapTask(1));

exec.shutdown();

try {

exec.execute(new NapTask(99));

} catch(RejectedExecutionException e) {

System.out.println(e);

}

}

}

/* Output:

java.util.concurrent.RejectedExecutionException: Task

NapTask[99] rejected from java.util.concurrent.ThreadPo

olExecutor@4e25154f[Shutting down, pool size = 1,

active threads = 1, queued tasks = 0, completed tasks =

0]

NapTask[1] pool-1-thread-1

*/