// threads/AtomicEvenSupplier.java // (c)2016 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. // Atomic classes are occasionally useful in regular code // {IgnoreOutput} // No output validation import java.util.concurrent.atomic.*; import onjava.TimedAbort; public class AtomicEvenSupplier extends IntSupplier { private AtomicInteger currentEvenValue = new AtomicInteger(0); @Override public int next() { return currentEvenValue.addAndGet(2); } public static void main(String[] args) { new TimedAbort(4); EvenChecker.test(new AtomicEvenSupplier()); } }