OnJava8-Examples/concurrent/CachedThreadPool.java at master · CSapprenticeWT/OnJava8-Examples · GitHub

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// concurrent/CachedThreadPool.java

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

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

import java.util.concurrent.*;

import java.util.stream.*;

public class CachedThreadPool {

public static void main(String[] args) {

ExecutorService exec =

Executors.newCachedThreadPool();

IntStream.range(0, 10)

.mapToObj(NapTask::new)

.forEach(exec::execute);

exec.shutdown();

}

/* Output:

NapTask[1] pool-1-thread-2

NapTask[5] pool-1-thread-6

NapTask[4] pool-1-thread-5

NapTask[8] pool-1-thread-9

NapTask[0] pool-1-thread-1

NapTask[9] pool-1-thread-10

NapTask[2] pool-1-thread-3

NapTask[3] pool-1-thread-4

NapTask[6] pool-1-thread-7

NapTask[7] pool-1-thread-8