How to reset a variable after each iteration of a loop?

Here's the code if you need to see. 'fact' is what I want to zero whenever the factorialN method completes. Thanks in advance.
import java.util.Scanner;

public class Factorial {
     static int fact = 1;
     static int newNum = 0;
     /**
      * @param args
      */
     public static void main(String[] args) {
          // TODO Auto-generated method stub
          char answer;
          do {
          System.out.println("What is the number? ");
          Scanner keyboard = new Scanner(System.in);
          int num = keyboard.nextInt();
          factorialN(num);
          Factorial aFactorial = new Factorial();
          System.out.println(aFactorial);
          System.out.println("Do you want to continue? y/n ");
          String answerString = keyboard.next();
          answer = answerString.charAt(0);
          }
          while (answer == 'y' || answer == 'Y');

     }
     
     public static void factorialN(int num) {
          while (newNum < num) {
               newNum ++;
               fact = fact * newNum; }
     }
     public String toString() {
           String returnValue = "Its factorial is " + fact;
           return returnValue;
        }
}

What is the problem? Declare the method as "int" instead of "void" and the return value.

Tags: Java

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