1 public class Array02 {
 2     public static void main(String[] args) {
 3         int[] arr01 = {1,2,3,4,5};
 4         // 将arr01中的每一个值分别赋值给arr ,  该for只能适合运用遍历输出。
 5         for (int arr: arr01){
 6             System.out.print(arr+ " ");
 7         }
 8         System.out.println("\n"+"-------------------------------");
 9         //调用一下输出
10         arrPrint(arr01);
11         System.out.println("\n"+"-------------------------------");
12         //调用一下翻转
13         int[] reserve = reserve(arr01);
14         arrPrint(reserve);
15     }
16     //定义一个输出方式
17     public static void arrPrint(int[] arr){
18         for (int i = 0; i < arr.length; i++) {
19             System.out.print(arr[i] + " ");
20         }
21     }
22     //翻转数组
23     public static int[] reserve(int[] arrr){
24         int[] result = new int[arrr.length];
25         for (int i = 0; i < arrr.length; i++) {
26             result[i] = arrr[arrr.length-i-1];
27         }
28         return result;
29     }
30 }

结果：

1 2 3 4 5 
-------------------------------
1 2 3 4 5 
-------------------------------
5 4 3 2 1 
Process finished with exit code 0