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Create a button and implement ActionListener interface using applet

Submitted by Rahimv on Sat, 08/21/2010 - 17:59

/*
Button:
~~~~~~~
        Button();
        Button(String);
    Methods:-
        String getLabel();
        void setActionCommand(String);
        String getActionCommand();
        void setLabel(String);
     public synchronized void addActionListener(ActionListener);
 
*/
 
import java.awt.event.*;
import java.awt.*;
import java.applet.*;
 
/*
<applet CODE = "ButtonDemo" Height = 400 Width = 400>
</applet>
*/
public class ButtonDemo extends Applet implements ActionListener
{
Button b1, b2, b3;
String msg = "";
public void init()
{
    b1 = new Button("One");
    b2 = new Button("Two");
    b3 = new Button("Three");
    add(b1);
    add(b2);
    add(b3);
    b1.addActionListener(this);
    b2.addActionListener(this);
    b3.addActionListener(this);
}
 
public void actionPerformed(ActionEvent be)
{
    if(be.getActionCommand().equals(b1.getLabel()))
    {
        msg = "First";
        repaint();
    }
 
    if(be.getActionCommand().equals(b2.getLabel()))
    {
        msg = "Second";
        repaint();
    }
 
    if(be.getActionCommand().equals(b3.getLabel()))
    {
        msg = "Three";
        repaint();
    }
 
}
 
public void paint(Graphics g)
{
    g.drawString(msg, 100, 100);
}
 
}