Question

This for Java Programming

1. Write a java statement to import the java utilities.
2. Create a Scanner object to read input.
3. int Age;

    Write a java statement to read the Age input value

4 . Redo 1 to 3 using JOptionPane

Answer 1

Here is the Java code for the given question.

Code for 1,2,3:

import java.util.*;    /* (1) Imports Java utilities */

public class ReadAge {

    public static void main(String[] args){

        Scanner scanner=new Scanner(System.in);    /* (2) Creates a Scanner object to read input */

        int Age;

        Age=scanner.nextInt();     /* (3) Statement to read Age input value */
    }
}

Output:

According to the question, the program produces no output ,but input is taken as follows:

Code for 4:

import javax.swing.*;   /* (1) imports java swing*/

public class ReadAgeJOptionPane {

    public static void main(String[] args){

        int Age;   /*used to store Age*/

        JOptionPane optionPane=new JOptionPane();    /* (2)creates a new JOptionPane object*/

        Age= Integer.parseInt(optionPane.showInputDialog("Enter Age:"));      /* (3)statement to read Age input value*/

    }
}

Output:

According to the question, the program produces no output ,but input is taken as follows: