Some Java Programs

A java Program to Add two Numbers

import javax.swing.JOptionPane;

public class Addition

{
public static void main( String args[] )
{

String firstNumber =
JOptionPane.showInputDialog( "Enter first integer" );
String secondNumber =
JOptionPane.showInputDialog( "Enter second integer" );

int number1 = Integer.parseInt( firstNumber );
int number2 = Integer.parseInt( secondNumber );

int sum = number1 + number2;

JOptionPane.showMessageDialog( null, "The sum is " + sum,
"Sum of Two Integers", JOptionPane.PLAIN_MESSAGE );
}
}

Output