阶乘计算

package Math;/* * 阶乘算法 * n != n*(n-1) * 5 != 1*2*3*4*5 */public class Hierarchy{private static int hierarchy(int x){if( x == 1){return 1;}else{return x*hierarchy(x-1);}}public static void main(String[] args){System.out.println("输入值1 阶层计算："+hierarchy(1));System.out.println("输入值2 阶层计算"+hierarchy(2));System.out.println("输入值3 阶层计算"+hierarchy(3));System.out.println("输入值4 阶层计算"+hierarchy(4));System.out.println("输入值5阶层计算"+hierarchy(5));System.out.println("输入值6 阶层计算"+hierarchy(6));}}