import java.applet.*;
import java.awt.event.*;
import java.awt.*;

public class applet_noDoubleBuffering extends Applet implements MouseMotionListener {
    Dimension dim;
    int curX, curY;
    
    public void init() {
        dim = getSize();
        addMouseMotionListener(this);
        setBackground(Color.blue);
    }
    
    public void paint(Graphics g) {
        g.setFont(new Font("Arial",Font.BOLD,28));
        g.clearRect(0,0,dim.width,dim.width);
        g.setColor(Color.white);
        g.drawString("No double-buffered",10,35);
        g.setFont(new Font("Arial",Font.BOLD,18));
        g.setColor(Color.yellow);
        g.drawString("It flickers because everything",10,70);
        g.drawString("is draw straight to the screen.",10,95);
        g.setColor(Color.red);
        g.fillRect(curX,curY,20,20);
    }
    
    public void update(Graphics g) {
        paint(g);
    }
    
    public void mouseMoved(MouseEvent evt) {
        curX = evt.getX();
        curY = evt.getY();
        repaint();
    }
    
    public void mouseDragged(MouseEvent evt) {
    }
}