[Java学习]阶乘求法

public class Test {public static int fatorial1(int num) {if(num == 1) {return 1;}else {return num * fatorial1(num - 1);}}public static int fatorial2(int num) {int s = 1;for(int i=1; i<=num; i++) {s = s * i;}return s;}public static void main(String[] args) { System.out.println(fatorial1(5)); System.out.println(fatorial2(5));}}