18 lines
485 B
Java
18 lines
485 B
Java
//: concurrency/SynchronizedEvenGenerator.java
|
|
// Simplifying mutexes with the synchronized keyword.
|
|
// {RunByHand}
|
|
|
|
public class
|
|
SynchronizedEvenGenerator extends IntGenerator {
|
|
private int currentEvenValue = 0;
|
|
public synchronized int next() {
|
|
++currentEvenValue;
|
|
Thread.yield(); // Cause failure faster
|
|
++currentEvenValue;
|
|
return currentEvenValue;
|
|
}
|
|
public static void main(String[] args) {
|
|
EvenChecker.test(new SynchronizedEvenGenerator());
|
|
}
|
|
} ///:~
|