java 闹钟程序

import java.util.*;
import java.awt.*;
import java.applet.*;
import java.text.*;

public class AlarmClock extends Applet implements Runnable
{
Thread timer=null; //创建线程timer
Image clockp,gif1,gif2,clock6,clock7; //clockp:闹钟的外壳，闹铃和报时鸟
int s,m,h,hh;
AudioClip ipAu,danger,chirp;
boolean canPaint=true;
boolean flag=false;
boolean strike=true;
int counter=0;
int lasts;
Image offscreen_buf=null;
int i,j,t=0;
int timeout=166;
int lastxs=0,lastys=0,lastxm=0,lastym=0,lastxh=0,lastyh=0;
Date dummy=new Date(); //生成Data对象
GregorianCalendar cal=new GregorianCalendar();
SimpleDateFormat df=new SimpleDateFormat("yyyy MM dd HH:mm:ss");//设置时间格式
String lastdate=df.format(dummy);
Font F=new Font("TimesRoman",Font.PLAIN,14);//设置字体格式
Date dat=null;
Date timeNow=null;