25 lines
612 B
Java
25 lines
612 B
Java
// concurrency/LiftOff.java
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// ©2016 MindView LLC: see Copyright.txt
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// Demonstration of the Runnable interface.
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public class LiftOff implements Runnable {
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protected int countDown = 10; // Default
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private static int taskCount = 0;
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private final int id = taskCount++;
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public LiftOff() {}
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public LiftOff(int countDown) {
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this.countDown = countDown;
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}
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public String status() {
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return "#" + id + "(" +
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(countDown > 0 ? countDown : "Liftoff!") + "), ";
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}
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@Override
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public void run() {
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while(countDown-- > 0) {
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System.out.print(status());
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Thread.yield();
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}
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}
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}
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