AREA OF A CIRCLE USING EXCEPTION IN JAVA

A simple program that I wrote to compute the area of the circle with exception handling capabilities.

I am currently accepting programming and web development work kindly contact me in the following email address for further details. Thank you.

My email address are the following jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Sample Program Output

Program Listing

AreaCircle.java

package exceptiondemo;

import java.util.Scanner;

import java.util.InputMismatchException;

import java.text.DecimalFormat;

/**

 * NetBeans IDE 8.2

 * @author Mr. Jake R. Pomperada

 * March 20, 2018  Tuesday

 * Bacolod City, Negros Occidental

 */

public class AreaCircle {

    public static final DecimalFormat TWO_DECIMAL = new DecimalFormat(".##");

     

    public static void main(String[] args) {

        

        Scanner sc=new Scanner(System.in);

      

               final double PI = 3.14159;

               boolean goodData = false;

                

              while(!goodData) {

              try {

                System.out.print("AREA OF A CIRCLE USING EXCEPTION");

                System.out.println("\n");

                System.out.print("What is the area?  : ");

double radius=sc.nextDouble();

                

                 double area = (PI * radius * radius);

                

                System.out.println("\n");

                System.out.println("The Area of Circle is " 

                        + TWO_DECIMAL.format(area) +".");

                System.out.println("\n");

goodData = true;

       

              } catch(InputMismatchException e) {

            

                sc.next();

                System.out.println("You Entered a Bad Data." );

                System.out.println("Please Try Again." );

                System.out.println("\n");

                }

            }  // while loop end

System.out.print("\t END OF PROGRAM");

        System.out.println("\n");

     }

}