键盘输入数字,自动排序后输出

import java.util.Arrays;
import java.util.Scanner;

/*输入n个数字,后排序*/
public class Order1{
	public static void main(String[]args){
		Scanner in = new Scanner(System.in);
		System.out.println("请输入你要输入的数字个数:n =");
		int n = in.nextInt();
		double arr[] = new double[n];
		for(int i = 0;i < n;i++){
			System.out.println("请输入arr["+(i+1)+"]=");
			arr[i] = in.nextDouble();
		}
		Arrays.sort(arr);
		for(int i = 0;i < n;i++){
			System.out.print(arr[i]+" ,");
		}
		System.out.println();
		for(double m:arr){
			System.out.print(m+" ,");
		}
	}
}