1 package com.pang.array_demo;
2
3 public class Array_Demo {
4 public static void main(String[] args) {
5 int[] arr = {1,2,3,4,3,45};
6 arrayDemo(arr);
7 System.out.println("===========");
8 arrayDemo02(arr);
9 }
10
11 // 数组正遍历
12 public static void arrayDemo(int[] arr) {
13 for (int i = 0; i < arr.length; i++) {
14 System.out.println(arr[i]);
15 }
16 }
17
18 // 数组倒遍历
19 public static void arrayDemo02(int[] arr) {
20 for (int i = arr.length - 1; i >= 0; i--) {
21 System.out.println(arr[i]);
22 }
23 }
24 }
