Applet for add two numbers

what is the java applet code for add two numbers?

View Answers

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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