// threads/ThreadSize.java

// (c)2016 MindView LLC: see Copyright.txt

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

// Visit http://mindviewinc.com/Books/OnJava/ for more book information.

// {ValidateByHand}

import java.util.concurrent.*;

public class ThreadSize {

static class Dummy extends Thread {

@Override

public void run() {

try {

Thread.sleep(1000);

} catch(Exception e) {

throw new RuntimeException(e);

}

}

}

public static void main(String[] args) {

ExecutorService exec =

Executors.newCachedThreadPool();

int count = 0;

try {

while(true) {

exec.execute(new Dummy());

count++;

}

} catch(Error e) {

System.out.println(

e.getClass().getSimpleName() + ": " + count);

System.exit(0);

}

}

}