计算n个数的阶乘_JAVA_编程开发_程序员俱乐部

class="java" name="code">
package jc;

import java.util.Scanner;

/**
 * 
 * 计算前几项的阶乘
 * 递归思想
 */

public class Jc {

	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		System.out.print("input the number :");
		int n=sc.nextInt();
		Jc jc=new Jc();
		System.out.print("the result is: ");
		System.out.println(jc.caculate(n));
	}
	
	public int caculate(int n){
		if(n==1){
			return 1;
		}
		else{
		return	n*caculate(n-1);
			}
	}

}