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creating simple graphics appletviewer java


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

//<applet code="Appletdemo" height=500 width=500></applet>

public class Appletdemo extends Applet implements ActionListener
{

            String s;
            Button b1,b2;

            public void init()
            {
                        b1= new Button("Test");
                        b2=new Button("circle");
                        add(b1);
                        add(b2);
                        b1.addActionListener(this);
                        b2.addActionListener(this);
            }

            public void actionPerformed(ActionEvent ae)
            {
                        s=ae.getActionCommand();
                        repaint();
            }

            public void paint(Graphics g)
            {
                        try
                        {
                        if(s.equals("Test"));
                        g.drawOval(122,53,62,75);
                        //g.setColor(212, 23,45);

                        if(s.equals("circle"));
                        g.drawRect(122,122,122,122);

                        }
                        catch(NullPointerException e)
                        {}
            }
}

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