- public class ListOff implements Runnable{
- protected int countDown=10;
- private static int taskCount=0;
- private final int id=taskCount++;
- public ListOff(){}
- public ListOff(int countDown){
- this.countDown=countDown;
- }
- public String status(){
- return "#"+id+"("+(countDown>0?countDown:"Listoff!") +").";
- }
- @Override
- public void run(){
- while (countDown-->0){ //-->这个符号什么意思? 谢谢!
- System.out.println(status());
- Thread.yield();
- }
- }
- }
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