Create an Applet with three text fields and a button. Input integer values in first two Text Fields. On Click of add button, the sum should be displayed in the third Text Field.

 PROGRAM :

package com.company;

import java.awt.*;

import java.awt.event.*;

import java.applet.Applet;

/*Coding of HTML File <applet code = add.class width= 400 height=400></applet> */

public class add extends Applet implements ActionListener

{

    Button b1;

    TextField tf1;

    TextField tf2;

    TextField tf3;

    public void init( )

    {

        tf1=new TextField(20);

        tf2=new TextField(20);

        tf3=new TextField(20);

        b1=new Button(" add ");

 

        add(b1); add(tf1);add(tf2);add(tf3);

        b1.addActionListener(this);

    }

    public void actionPerformed(ActionEvent ae)

    {

        String s1=tf1.getText();

        int a=Integer.parseInt(s1);

 

        String s2=tf2.getText();

        int b=Integer.parseInt(s2);

        int c=a+b;

        tf3.setText(Integer.toString(c));

    }

}

OUTPUT :