?? simpleclock.java
字號:
import java.applet.*;
import java.awt.*;
import java.util.*;
public class SimpleClock extends Applet implements Runnable
{
Thread clockThread=null;
public void start()
{
if (clockThread == null)
{
clockThread = new Thread(this, "Clock");
clockThread.start();
}
}
public void run()
{
while (clockThread != null)
{
repaint();
try{
clockThread.sleep(1000);
}catch (InterruptedException e){
}
}
}
public void paint(Graphics g)
{
GregorianCalendar date = new GregorianCalendar();//date對象包含日期和時間信息
int year = date.get( Calendar.YEAR );
int month = (date.get( Calendar.MONTH ))+1;
int day = date.get( Calendar.DATE );
int hour = date.get( Calendar.HOUR );
int minute = date.get( Calendar.MINUTE );
int second = date.get( Calendar.SECOND );
g.drawString(year+"/"+month+"/"+day + " " + hour+":"+minute+":"+second, 5, 10);
}
public void stop()
{
//clockThread.stop();
clockThread = null;
}
}
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