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Create an applet with two number textboxes and a sum button

Submitted by Rahimv on Sun, 08/22/2010 - 15:26

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
Create an applet with a button "SUM" and two text boxes "NUM1" and "NUM2" ;
Let user enter two numbers in textboxes when user press SUM button display
the sum of the numbers on the applet.
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import java.applet.Applet;
import java.awt.Button;
import java.awt.Graphics;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
 
/*<applet code = "SumTwoNum" width= 200 height = 200>
 </applet>
*/
 
public class SumTwoNum extends Applet implements ActionListener
{
 TextField Num1, Num2;
 Button Sum;
 String total = "";
 
 public void init()
 {
  Num1 = new TextField(10);
  add(Num1);
  Num2 = new TextField(10);
  add(Num2);
  Sum = new Button("SUM");
  add(Sum);
  Sum.addActionListener(this);
 }
 
 public void actionPerformed(ActionEvent e)
 {
  int tot;
  tot = Integer.parseInt(Num1.getText()) + Integer.parseInt(Num2.getText());
  total = " "+ tot;
  repaint();
 }
 
 public void paint(Graphics g)
 {
  g.drawString("Sum of Numbers: " + total, 50, 100);
 }
}