22 lines
686 B
Java
22 lines
686 B
Java
// lowlevel/AtomicEvenSupplier.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.
|
|
// 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());
|
|
}
|
|
}
|