Skip to Content
Home » Java Language Fundamentals » Basic Java Examples » Calculate Rectangle Perimeter using Java Example

Calculate Rectangle Perimeter using Java Example

  1. /*
  2.         Calculate Rectangle Perimeter using Java Example
  3.         This Calculate Rectangle Perimeter using Java Example shows how to calculate
  4.         perimeter of Rectangle using it's length and width.
  5. */
  6.  
  7. import java.io.BufferedReader;
  8. import java.io.IOException;
  9. import java.io.InputStreamReader;
  10.  
  11. public class CalculateRectPerimeter {
  12.  
  13.         public static void main(String[] args) {
  14.                
  15.                 int width = 0;
  16.                 int length = 0;
  17.                        
  18.                 try
  19.                 {
  20.                         //read the length from console
  21.                         BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
  22.                        
  23.                         System.out.println("Please enter length of a rectangle");
  24.                         length = Integer.parseInt(br.readLine());
  25.  
  26.                         //read the width from console
  27.                         System.out.println("Please enter width of a rectangle");
  28.                         width = Integer.parseInt(br.readLine());
  29.                        
  30.                        
  31.                 }
  32.                 //if invalid value was entered
  33.                 catch(NumberFormatException ne)
  34.                 {
  35.                         System.out.println("Invalid value" + ne);
  36.                         System.exit(0);
  37.                 }
  38.                 catch(IOException ioe)
  39.                 {
  40.                         System.out.println("IO Error :" + ioe);
  41.                         System.exit(0);
  42.                 }
  43.                
  44.                 /*
  45.                  * Perimeter of a rectangle is
  46.                  * 2 * (length + width)
  47.                 */
  48.                
  49.                 int perimeter = 2 * (length + width);
  50.                
  51.                 System.out.println("Perimeter of a rectangle is " + perimeter);
  52.         }
  53.                
  54. }
  55.  
  56. /*
  57. Output of Calculate Rectangle Perimeter using Java Example would be
  58. Please enter length of a rectangle
  59. 10
  60. Please enter width of a rectangle
  61. 15
  62. Perimeter of a rectangle is 50
  63. */

Receive Latest Java examples in your email: 

Related Java Examples

Calculate Rectangle Area using Java Example
Calculate Circle Perimeter using Java Example
Calculate Circle Area using Java Example
Draw Rectangle & Square in Applet Window Example
Draw 3D Rectangle & Square in Applet Window Example
Fill Rectangle & Square in Applet Window Example
Read Number from Console and Check if it is a Palindrome Number
Draw Rounded Corner Rectangle & Square in Applet Window Example