Question

User the Scanner class for your input

Write a java program to calculate the area of a rectangle.

Rectangle Area is calculated by multiplying the length by the width  

display the output as follow:

Length =  

Width =

Area =

Load:

1. Design (Pseudocode )

2. Source file (Java file, make sure to include comments)

3. Output file (word or pdf or jpig file)

Answer 1

/******* RectangleDemo.java ********/

import java.util.Scanner;

public class RectangleDemo {

   public static void main(String[] args) {
       // Declaring variables
       double length, width, area;

       /*
       * Creating an Scanner class object which is used to get the inputs
       * entered by the user
       */
       Scanner sc = new Scanner(System.in);

       // Getting the input entered by the user
       System.out.print("Enter length of rectangle :");
       length = sc.nextDouble();
       System.out.print("Enter width of rectangle :");
       width = sc.nextDouble();

       area = length * width;

       // Displaying the output
       System.out.printf("Length = %.2f\n", length);
       System.out.printf("Width = %.2f\n", width);
       System.out.printf("Area = %.2f\n", area);

   }

}

/**************************************************/

/**************************************************/

Output:

/**************************************************/