Java

//Factorial in Java

import java.util.Scanner;

public class App {
    public static void main(String args[]) {
        // 1.Write a program to find the factorial of given number.
        Scanner in = new Scanner(System.in);

        System.out.println("Enter The Number : ");
        int n = in.nextInt();// 5

        int f = 1;
        for (int i = 1; i <= n; i++) {
            f = f * i;
        }

        System.out.println("Factorial of " + n + " is " + f);
    }
}