factorial number code with recursive

//factorial number with recursive.

package basicProgram;

public class Factorialwithrecursive {
	
	//** with using recursive function: A function is calling itself.

	public static int fact(int num)
	{
		if (num==0)
			
			return 1;
		else 
			return (num * fact(num-1));
	}
	
		public static void main(String[] args)
		{
			System.out.println(fact(0));
	}
}