1053正弦函数

import java.math.*;
import java.util.Scanner;
public class demo1 {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        double x = input.nextDouble();
        double sum = 0;
        double k = 1;
        double m = 1;
        for (int i = 0; i < 10; i++) {
            double mu = JieC(m);
            sum+=k*(Math.pow(x,m))/mu;
            k*=(-1);
            m+=2;
        }
        System.out.println(String.format("%.3f",sum));
    }
    public static int JieC(double n){
        int mu = 1;
        for (int i = 1; i < n+1; i++) {
            mu*=i;
        }
        return mu;
    }

 哪里错了呢

import java.math.*;
        import java.util.Scanner;
public class demo1 {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int m = input.nextInt();
        int n =input.nextInt();
        int[] arr = new int[n-m+1];
        int k = m;
        for (int i = 0; i  
又错了。。。。不想做了，真烦