// concurrent/CountingTask.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 CountingTask implements Callable<Integer> {

final int id;

public CountingTask(int id) { this.id = id; }

@Override

public Integer call() {

Integer val = 0;

for(int i = 0; i < 100; i++)

val++;

System.out.println(id + " " +

Thread.currentThread().getName() + " " + val);

return val;

}

}