package concurrency;

import java.io.*;

import java.util.*;

/**

* RUN:

* javac concurrency/LiftOff.java && java concurrency.LiftOff

*

* OUTPUT:

*

*/

public class LiftOff implements Runnable {

protected int countDown = 10;

private static int taskCount = 0;

private final int id = taskCount++;

public LiftOff() {}

public LiftOff(int countDown) {

this.countDown = countDown;

}

public String status() {

return "#" + id + "("+(countDown > 0 ? countDown : "Liftoff!") + "), ";

}

public void run() {

while (countDown-- > 0) {

System.out.print(status());

Thread.yield();

}

}

}