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......
    int i = 0;
    int k = arr.length;
    for (int j = 0 ; j < arr.length/2 ; j++){
        i = arr[j];
        arr[j] = arr[--k];
        arr[k] = i;
    }

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

}