This article will share with you the java algorithm to calculate factorial. When learning Java courses, you often encounter the problem of finding factorial. Today I will discuss it with you.
The code is as follows:
package com.xu.main;
import java.util.Scanner;
public class P9 {
static long fact(int n)
{
if(n <= 1)
{
return 1;
}
else
{
return n * fact(n - 1);
}
}
public static void main(String[] args) {
int i;
System.out.println("请输入要求阶乘的一个整数:");
Scanner input = new Scanner(System.in);
i = input.nextInt();
System.out.println(i + "的阶乘结果是："+fact(i));
}
}Run Result:
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