Calculates factorial of a number

Factorial.java

import java.util.Scanner;
public class Factorial {
    public static void main(String[] args) {
    	
	int total = 1;
        int i, num;
        
        Scanner scan = new Scanner(System.in);
        
        num = scan.nextInt();
    
		
		for( i = num; i >= 1; i-- ){
			total *= i;
			}
		
		System.out.print (num + " factorial is: " + total);
		
	}
}