编辑代码

public class Date221111_1{
 public static void main(String[] args){
  int[] arr = {1,2,3,4,5};
  for (int i =0; i<arr.length; i++){
      System.out.print(arr[i]+" ");
  }
  System.out.println();
  System.out.println("-------------------华丽的分割线");
  for ( int i = 0; i<arr.length/2; i++){
   int temp = arr[i];
   arr[i] = arr[arr.length-1-i];
   arr[arr.length-1-i] = temp;
  }
  for (int i =0; i<arr.length; i++){
      System.out.print(arr[i]+" ");
  }
 }
}