【Java开源代码栏目提醒】:网学会员鉴于大家对Java开源代码十分关注,论文会员在此为大家搜集整理了“SwingClock.java”一文,供大家参考学习
package com.javapatterns.observertimer.clock;
import javax.swing.Timer;
import java.text.DateFormat;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Color;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.util.Calendar;
import java.util.Date;
public class SwingClock extends java.applet.Applet
{
private Timer clock = new Timer( 1000,
new ActionListener()
{
public void actionPerformed( ActionEvent e )
{
synchronized( SwingClock.this )
{
repaint();
}
}
}
);
public void init()
{
setBackground(Color.green);
setFont(new Font("TimesRoman",Font.BOLD,36));
}
public void paint(Graphics g)
{
Calendar cal = Calendar.getInstance();
Date date = cal.getTime();
DateFormat dateFormatter = DateFormat.getTimeInstance();
g.drawString(dateFormatter.format(date), 5, 100);
}
public SwingClock() throws InterruptedException
{
clock.start();
}
}
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