Java Programming Tutorial - 50 - Graphical User Interface GUI

package apples;

import javax.swing.JOptionPane; 

public class boy {

public static void main (String []args) {

String fn = JOptionPane.showInputDialog("Enter first number");

String sn = JOptionPane.showInputDialog("Enter second number");

int num1 = Integer.parseInt(fn);

int num2 = Integer.parseInt(sn);

int sum = num1 + num2;

JOptionPane.showMessageDialog(null, "The answer is " +sum, "the title", JOptionPane.PLAIN_MESSAGE);

}

}