Java (for문_팩토리얼)

for문을 사용한 팩토리얼 예제

 

package p0416;

import java.util.Scanner;

public class Factorial {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scan = new Scanner(System.in);

		int i, fact = 1, result = 0;

		System.out.print("정수를 입력하세요: ");
		result = scan.nextInt();
		System.out.print(result + "! = ");

		for (i = result; i > 0; i--) {
			fact = fact * i;

			if (i >= 2) {
				System.out.print(i + "*");
			} else {
				System.out.print(i);
			}

		}
		System.out.print("\n" + result + "! = " + fact);

	}

}

<출력결과>