学习记录14

计算阶乘
import java.util.Scanner;

public class FactorialCalculator {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("请输入一个非负整数: ");
int number = scanner.nextInt();

    long factorial = 1;
    for (int i = 1; i <= number; i++) {
        factorial *= i;
    }

    System.out.println(number + " 的阶乘是: " + factorial);
    scanner.close();
}

}