Factorial Program in Java - Recursive & Iterative

public class Factorial {
    public static void main(String[] args) {
        int num = 5;
        long factorial = 1;
        
        for(int i = 1; i <= num; ++i) {
            factorial *= i;
        }
        
        System.out.printf("Factorial of %d = %d", num, factorial);
    }
}

public class Factorial {
    public static void main(String[] args) {
        int num = 5;
        long factorial = multiplyNumbers(num);
        System.out.println("Factorial of " + num + " = " + factorial);
    }
    
    public static long multiplyNumbers(int num) {
        if (num >= 1)
            return num * multiplyNumbers(num - 1);
        else
            return 1;
    }
}