www.pudn.com > ThinkinginJava4thEdition(SourceCode).zip > AtomicEvenGenerator.java

//: concurrency/AtomicEvenGenerator.java 
// Atomic classes are occasionally useful in regular code. 
// {RunByHand} 
import java.util.concurrent.atomic.*; 
 
public class AtomicEvenGenerator extends IntGenerator { 
  private AtomicInteger currentEvenValue = 
    new AtomicInteger(0); 
  public int next() { 
    return currentEvenValue.addAndGet(2); 
  } 
  public static void main(String[] args) { 
    EvenChecker.test(new AtomicEvenGenerator()); 
  } 
} ///:~