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Factorial Number Solver Using Exception in Java

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Submitted on: 3/31/2018 11:59:15 PM
By: Jake R. Pomperada  
Level: Beginner
User Rating: Unrated
Compatibility: Java (JDK 1.5)
Views: 1108
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      A very simple program that I wrote using Java that will ask the user to give a number and then our program will compute it's factorial value using exception handling to check for invalid entries. 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.

 
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//**************************************
// Name: Factorial Number Solver Using Exception in Java
// Description:
A very simple program that I wrote using Java that will ask the user to give a number and then our program will compute it's factorial value using exception handling to check for invalid entries.
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.
// By: Jake R. Pomperada
//**************************************

FactorialNumber.java
package exceptiondemo;
import java.util.Scanner;
import java.util.InputMismatchException;
/**
 * NetBeans IDE 8.2
 * @author Mr. Jake R. Pomperada
 * March 20, 2018 Tuesday
 * Bacolod City, Negros Occidental
 */
public class FactorialNumber {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
 
 int n, c, fact = 1;
boolean goodData = false;
 while(!goodData) {
 
 try {
System.out.print("FACTORIAL NUMBER SOLVER USING EXCEPTION");
System.out.println("\n");
System.out.print("Give a Number : ");
 int num_value =sc.nextInt();
 if (num_value < 0) {
 System.out.println("Number should be non-negative.");
 }
 else
{
 for (c = 1; c <= num_value; c++) {
 fact = (fact * c);
 }
System.out.println("Factorial value of "
+ num_value +" is "+fact +".");
} 
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");
 }
}


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