// lowlevel/EvenProducer.java

// (c)2021 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.

// When threads collide

// {VisuallyInspectOutput}

public class EvenProducer extends IntGenerator {

private int currentEvenValue = 0;

@Override public int next() {

++currentEvenValue; // [1]

++currentEvenValue;

return currentEvenValue;

}

public static void main(String[] args) {

EvenChecker.test(new EvenProducer());

}

}

/* Output:

419 not even!

425 not even!

423 not even!

421 not even!

417 not even!

*/