305迴圈階乘計算

/******
檔名：JPA03.java
題目：TQC+ JAVA6物件導向程式設計 參考答案
時間：2015/06
作者：fang shi mai
******/
import java.util.Scanner;

public class JPA03
{
    static Scanner keyboard = new Scanner(System.in);
    
    public static void main(String[] args)
    {
        test();
        test();
        test();
    }
    public static void test()
    {
        int N;
        int sum=1;
        System.out.print("Please enter one value: ");
        N=keyboard.nextInt();
        if(N>=1 && N<=10)
        {
            for(int i=1;i<=N;i++)
                sum*=i;
            System.out.printf("%d!: %d\n",N,sum);
        }
        else
        {
            System.out.println("Error, the value is out of range.");
        }
    }
}