package?clock;

import?java.awt.*;
import?javax.swing.*;
import?java.util.*;
import?java.text.SimpleDateFormat;
public?class?Clock?extends?Japplet?implements?Runnable
{
????Thread?clockThread1;
????Thread?clockThread2;
????Thread?clockThread3;
????boolean?f1f2f3;

????SimpleDateFormat?formatter;

????Date?currentDate1currentDate2currentDate3;
????String?lastdate1lastdate2lastdate3;

????public?void?init（）
????{
????????super.setBackground（Color.LIGHT_GRAY）;
????????formatter=new?SimpleDateFormat（“hh:mm:ss“）;
????????currentDate1=new?Date（）;
????????lastdate3=lastdate2=lastdate1=formatter.format（currentDate1）;

????????clockThread1=new?Thread（this“Clock-thread1“）;
????????clockThread2=new?Thread（this“Clock-thread2“）;
????????clockThread3=new?Thread（this“Clock-thread3“）;
????????clockThread1.start（）;
????????clockThread2.start（）;
????????clockThread3.start（）;
????}
????public?void?run（）
????{
????????boolean?flag=true;
????????while（flag）
????????{
????????????try
????????????{
????????????????if?（Thread.currentThread（）?==?clockThread1）{
????????????????????Thread.sleep（1000）;
????????????????????f1?=?true;
????????????????}
????????????????if?（Thread.currentThread（）?==?clockThread2）{
????????????????????Thread.sleep（5000）;
????????????????????f2?=?true;
????????????????}
????????????????if?（Thread.currentThread（）?==?clockThread3）{
????????????????????Thread.sleep（10000）;
????????????????????f3?=?true;
????????????????}
????????????????super.repaint（）;
????????????}
????????????catch（InterruptedException?e）
????????????{
????????????????flag=false;
????????????}
????????}
????}
????public?void?paint?（Graphics?g）
????{
????????g.setColor（this.getBackground（））;
????????if?（f1）{
????????????currentDate1=new?Date（）;
????????????lastdate1=formatter.format（currentDate1）;
????????????g.fillRect（5?0?50?10）;
????????????f1?=?false;
????????}
????????if?（f2）{
????????????currentDate2=new?Date（）;
????????????lastdate2=formatter.format（currentDate2）;
????????????g.fillRect（125?0?50?10）;
????????????f2?=?false;
????????}
????????if?（f3）{
????????????currentDate3=new?Date（）;
????????????lastdate3=formatter.format（currentDate3）;
????????????g.fillRect（225?0?50?10）;
????????????f3?=false;
????????}
????????g.setColor（getForeground（））;
????????g.drawString（lastdate1510）;
????????g.drawString（lastdate212510）;
????????g.drawString（lastdate322510）;
????}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件???????10545??2018-06-22?17:01??11.8（3）\20180622170129.png
?????文件????????2484??2018-06-22?17:01??11.8（3）\Clock.class
?????文件????????2487??2018-05-24?16:35??11.8（3）\Clock.java
?????文件???????19968??2018-06-22?17:02??11.8（3）\Thumbs.db
?????文件?????????141??2018-06-22?17:01??11.8（3）\java.policy.applet
?????目錄???????????0??2018-09-28?14:34??11.8（3）\