what is the java applet code for add two numbers?

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April 18, 2011 at 2:35 PM

import java.awt.Graphics;

import javax.swing.*;

public class AddApplet extends JApplet {

int sum;

int x;

int y;

public void init() {

String num1;

String num2;

// read first number from the keyboard

num1 = JOptionPane.showInputDialog("Enter a First number");

// read seond number from the ketboard

num2 = JOptionPane.showInputDialog("Enter a Second number");

x= Integer.parseInt(num1); // comvert the string to an integer

y= Integer.parseInt(num2); // convert the string to an integer

sum = x + y;

}

public void paint(Graphics g) {

//writes the output in the applet starting at position 30, 30

g.drawString("The sum of x ("+x+") +y ("+y+")="+sum, 30,30);

}

}

April 18, 2011 at 3:23 PM

1)AppletSum.java:

import java.awt.*; import java.applet.*; import java.awt.event.*; public class AppletSum extends Applet implements ActionListener{ TextField text1,text2,output; Label label1,label2,label3; Button button; public void init(){ setLayout(null); label1 = new Label("Enter Number1: "); label1.setBounds(20,20,100,20); add(label1); text1 = new TextField(5); text1.setBounds(150,20,100,20); add(text1); label2 = new Label("Enter Number2: "); label2.setBounds(20,50,100,20); add(label2); text2 = new TextField(5); text2.setBounds(150,50,100,20); add(text2); label3 = new Label("Sum of Two Numbers: "); label3.setBounds(20,80,130,20); add(label3); output = new TextField(5); output.setBounds(150,80,100,20); add(output); button = new Button("Sum"); button.setBounds(150,110,100,20); add(button); button.addActionListener(this); } public void actionPerformed(ActionEvent ae){ int num1=Integer.parseInt(text1.getText()); int num2=Integer.parseInt(text2.getText()); int sum=num1+num2; output.setText(Integer.toString(sum)); } }

2)applet.html:

<HTML> <BODY> <APPLET ALIGN="CENTER" CODE="AppletSum.class" width = "700" height = "400"></APPLET> </BODY> </HTML>

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