用java写编写应用程序求1！+2！+..+10! ●同上，修改为可以输入终止值(练习输入语法)

好的，以下是Java代码实现：

求1！+2！+..+10!：

public class Main {
    public static void main(String[] args) {
        int n = 10;
        int factorial = 1;
        int sum = 0;

        for (int i = 1; i <= n; i++) {
            factorial *= i;
            sum += factorial;
        }

        System.out.println("1!+2!+..+10! = " + sum);
    }
}

输入终止值：

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.print("请输入终止值: ");
        int n = sc.nextInt();

        int factorial = 1;
        int sum = 0;

        for (int i = 1; i <= n; i++) {
            factorial *= i;
            sum += factorial;
        }

        System.out.println("1!+2!+..+" + n + "! = " + sum);
    }
}

和上一题类似，只需要在循环中累加阶乘的和即可。