Java > Threads > Suggesting when to switch threads with yield()

public class YieldingThread extends Thread {

  private int countDown = 5;

  private static int threadCount = 0;

  public YieldingThread() {
    super("" + ++threadCount);
    start();
  }

  public String toString() {
    return "#" + getName() + ": " + countDown;
  }

  public void run() {
    while (true) {
      System.out.println(this);
      if (--countDown == 0)
        return;
      yield();
    }
  }

  public static void main(String[] args) {
    for (int i = 0; i < 5; i++)
      new YieldingThread();
  }
}