Question

B.2. Write a Java program to display a dialog box that asks you to enter your user name and the age as

shown below:

The program displays in a dialog box the sum of digits of your age. For example, if you age is 19, the sum

will be 1+9 = 10 and the output will be as shown below: ( it just shows a message box that says the sum of the digits age of john is 10.

Answer 1

NameAndAge.java

import javax.swing.JOptionPane;

public class NameAndAge {

  
   public static void main(String[] args) {
       String name = JOptionPane.showInputDialog("Enter the name: ");
       int age = Integer.parseInt(JOptionPane.showInputDialog("Enter the name: "));
       int sum = 0;
       while(age!=0){
           sum = sum + age % 10;
           age = age/10;
       }
       JOptionPane.showMessageDialog(null,"the sum of the digits age of "+name+" is "+sum+"." );

   }

}

Output: