题解 | #数组倒转#

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

public class Main {
    public static void main(String[] args) {
        int[] arr = new int[6];
        Scanner scanner = new Scanner(System.in);
        for (int i = 0; i < arr.length; i++) {
            arr[i] = scanner.nextInt();
        }
        System.out.println(Arrays.toString(arr));

        //write your code here......
        for(int i=0;i<3;i++){
		  //直接交换
            arr[i]=arr[i]+arr[5-i]-(arr[5-i]=arr[i]);
        }

        System.out.println(Arrays.toString(arr));
    }
}