watch.java

200多个自己编的java程序,大家可以学一下.

/*
 * Watch.java
 *
 * Created on 2004年9月24日, 下午7:17
 */

/**
 *
 * @author  litertiger
 */
import java.awt.*;
import java.util.*;
public class Watch extends javax.swing.JApplet {
    private Color butterscotch=new Color(255,204,102);
    private String lastTime="";
    /** Initializes the applet Watch */
    public void init() {
        setBackground(Color.BLACK);
        initComponents();
    }
    
    /** This method is called from within the init() method to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    public void paint(Graphics screen)
    {
        
        Graphics2D screen2D=( Graphics2D)screen;
        //这里是用原来定义的
        //Graphics2D是一个定义
        Font type=new Font("Monospaced",Font.BOLD,20);
        screen2D.setFont(type);
        GregorianCalendar day=new GregorianCalendar();
        String time=day.getTime().toString();
        screen2D.setColor(Color.BLACK);
        screen2D.drawString(lastTime,5,25);
        screen2D.setColor(butterscotch);
        screen2D.drawString(time,5,25);
        try{
            Thread.sleep(1000);
            
        }
        catch(InterruptedException e)
        {
            
        }
        lastTime=time;
        repaint();
    }
    private void initComponents() {//GEN-BEGIN:initComponents
        
    }//GEN-END:initComponents
    
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    // End of variables declaration//GEN-END:variables
    
}