Factorial of a number using while loop

0 votes

import java.util.*;
public class WhileFactorial {
    public static void main(String[] args)
    {
        System.out.println("Enter a number");
        Scanner in = new Scanner(System.in);
        int num = in.nextInt();
        int fact=1;
        while (num !=0);
        {
            fact = fact * num;
            num-=1;
        }
        System.out.println("Factorial of the number is "+fact);
    }
}

Nov 23, 2018 in Java by Nitesh
• 2,870 points
78 views

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0 votes
import java.util.*;
public class WhileFactorial {
    public static void main(String[] args)
    {
        System.out.println("Enter a number");
        Scanner in = new Scanner(System.in);
        int num = in.nextInt();
        int fact=1;
        while (num !=0)
        {
            fact = fact * num;
            num-=1;
        }
        System.out.println("Factorial of the number is "+fact);
    }
}

You have added a semicolon to while that completely changes the meaning of using while here.

answered Nov 23, 2018 by Namitha

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