Java知识点总结基础篇之阶乘
2017-06-21 本文已影响0人
发觉原来我只是250
public class Multiply {
public static int multiply(int num) {
if (num < 0) {
System.out.println("请输入大于0的数！");
return -1;
} else if (num == 0 || num == 1) {
return 1;
} else {
return multiply(num - 1) * num;
}
}
public static void main(String[] args) {
System.out.println(multiply(8));
}
}
