计算阶乘
package com.guoba.method;
public class Demo06 {
public static void main(String[] args) {
System.out.println(f(5));//括号输入几就是计算几的阶乘
}
//计算阶乘
//5! 5*4*3*2*1
//1! 1
public static int f(int n){
if (n == 1){
return 1;
}else {
return n*f(n-1);
}
}
}