?? worldclock.java
字號(hào):
import java.awt.*;
import java.util.*;
public class WorldClock{
Frame f=new Frame();
Label l1=new Label();
Label l2=new Label();
Label l3=new Label();
Label l4=new Label();
Label l5=new Label();
Label l6=new Label();
public WorldClock(){
f.setLayout(new GridLayout(2,3));
l1.setFont(new Font("Arial",Font.BOLD,30));
l2.setFont(new Font("Arial",Font.BOLD,30));
l3.setFont(new Font("Arial",Font.BOLD,30));
l4.setFont(new Font("Arial",Font.BOLD,20));
l5.setFont(new Font("Arial",Font.BOLD,20));
l6.setFont(new Font("Arial",Font.BOLD,20));
l4.setText("北京時(shí)間 ");
l4.setForeground(Color.red);
l5.setText("紐約時(shí)間 ");
l5.setForeground(Color.red);
l6.setText("巴黎時(shí)間 ");
l6.setForeground(Color.red);
f.add(l1);
f.add(l2);
f.add(l3);
f.add(l4);
f.add(l5);
f.add(l6);
TimeZone t1=TimeZone.getDefault();
TimeZone t2=TimeZone.getTimeZone("US/Alaska");
TimeZone t3=TimeZone.getTimeZone("Europe/Paris");
Runner r1=new Runner(t1,l1);
new Thread(r1).start();
Runner r2=new Runner(t2,l2);
new Thread(r2).start();
Runner r3=new Runner(t3,l3);
new Thread(r3).start();
f.setLocation(200,200);
f.pack();
f.setVisible(true);
}
public static void main(String[] args){
new WorldClock();
/*
String[] s=TimeZone.getAvailableIDs();
for(int i=0;i<s.length;i++){
System.out.println (s[i]);
}
*/
}
}
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