OnJava8-Examples/threads/EvenSupplier.java
2016-07-22 14:45:35 -06:00

28 lines
685 B
Java

// threads/EvenSupplier.java
// (c)2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
// When threads collide
import onjava.TimedAbort;
public class EvenSupplier extends IntSupplier {
private int currentEvenValue = 0;
@Override
public int next() {
++currentEvenValue; // Danger point here!
++currentEvenValue;
return currentEvenValue;
}
public static void main(String[] args) {
new TimedAbort(4);
EvenChecker.test(new EvenSupplier());
}
}
/* Output:
Press Control-C to exit
23 not even!
27 not even!
25 not even!
TimedAbort 4
*/