Border

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JApplet;
import javax.swing.JButton;

public class Border extends JApplet implements ActionListener {

    JButton rect,oval,square,circle;
    int code;

    public void init() {

        rect=new JButton("RECTANGLE");
        oval=new JButton("OVAL");
        square=new JButton("SQUARE");
        circle=new JButton("CIRCLE");

        setLayout(null);
        rect.setBounds(100,100,150,30);square.setBounds(500,100,150,30);
        oval.setBounds(100,500,150,30);circle.setBounds(500,500,150,30);

        add(rect);
        add(oval);
        add(circle);
        add(square);

        rect.addActionListener(this);
        oval.addActionListener(this);
        square.addActionListener(this);
        circle.addActionListener(this);
    }

    public void actionPerformed(ActionEvent ae) {
        String s=ae.getActionCommand();
        Graphics g= this.getGraphics(); //Create a graphics class
    //  if(ae.getSource().equals(rect))
        if(s.equals("RECTANGLE"))
            g.drawRect(80, 80, 190, 70);
        else if(s.equals("OVAL"))
            g.drawOval(80, 470, 200, 80);
        else if(s.equals("SQUARE"))
            g.drawRect(480, 50, 200, 200);
        else
            g.drawOval(430, 430, 250, 250);
    }

}