[BASIC-30] 阶乘计算

import java.math.BigDecimal;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);

		while (scanner.hasNext()) {
			int n = scanner.nextInt();

			BigDecimal num = BigDecimal.ONE;
			for (int i = 2; i <= n; i++) {
				num = num.multiply(BigDecimal.valueOf(i));
			}
			System.out.println(num);
		}
	}
}

[BASIC-30] 阶乘计算,布布扣,bubuko.com

[BASIC-30] 阶乘计算

原文：http://blog.csdn.net/u011506951/article/details/26704449