OnJava8-Examples/concurrent/MoreTasksAfterShutdown.java
2016-12-30 17:23:13 -08:00

28 lines
831 B
Java

// 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.ThreadPoolExecutor@25154f[Shutting
down, pool size = 1, active threads = 1, queued tasks = 0,
completed tasks = 0]
NapTask[1] pool-1-thread-1
*/