Factorial-using-Recursion

class factorial  
{  
static int factorialexm(int num){  
if(num==0)  
return 1;  
else   
return (num * factorialexm(num-1));  
}  
public static void main(String args[]){  
int fact = 1, i;  
int num = 8;  
fact = factorialexm(num);  
System.out.println("Factorial of "+num+" is: "+fact);  
}  
}