//: concurrency/AtomicIntegerTest.java import java.util.concurrent.*; import java.util.concurrent.atomic.*; import java.util.*; public class AtomicIntegerTest implements Runnable { private AtomicInteger i = new AtomicInteger(0); public int getValue() { return i.get(); } private void evenIncrement() { i.addAndGet(2); } @Override public void run() { while(true) evenIncrement(); } public static void main(String[] args) { new Timer().schedule(new TimerTask() { @Override public void run() { System.err.println("Aborting"); System.exit(0); } }, 5000); // Terminate after 5 seconds ExecutorService exec = Executors.newCachedThreadPool(); AtomicIntegerTest ait = new AtomicIntegerTest(); exec.execute(ait); while(true) { int val = ait.getValue(); if(val % 2 != 0) { System.out.println(val); System.exit(0); } } } } ///:~