From 7661c8a19bf681a5bcb21ab7203adfde074d87b9 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Thu, 25 Dec 2025 15:25:35 +0800
Subject: [PATCH] =?UTF-8?q?day05-=E6=95=B0=E7=BB=84=E7=9A=84=E9=81=8D?=
 =?UTF-8?q?=E5=8E=86?=
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---
 .../src/com/inmind/Demo03_array_foreach.java  | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 day05/src/com/inmind/Demo03_array_foreach.java

diff --git a/day05/src/com/inmind/Demo03_array_foreach.java b/day05/src/com/inmind/Demo03_array_foreach.java
new file mode 100644
index 0000000..c67313c
--- /dev/null
+++ b/day05/src/com/inmind/Demo03_array_foreach.java
@@ -0,0 +1,25 @@
+package com.inmind;
+/*
+11.数组的操作_数组的遍历
+遍历：将数组中每个数据，都一一展示出来
+ */
+public class Demo03_array_foreach {
+    public static void main(String[] args) {
+        //定义一个具体值为1,2,3的整数数组
+        int[] arr = {1,2,3,5,6,7,78,8,9};//50个值
+        //简单操作：直接根据索引获取值即可
+        /*System.out.println(arr[0]);
+        System.out.println(arr[1]);
+        System.out.println(arr[2]);*/
+        //实际操作：使用for循环实现遍历（0~arr.length-1）
+        //正向遍历
+        for (int i = 0; i < arr.length; i++) {
+            System.out.println(arr[i]);
+        }
+        System.out.println("-----------------------------------");
+        //反向遍历 最大索引~0
+        for (int i = arr.length-1; i >=0; i--) {
+            System.out.println(arr[i]);
+        }
+    }
+}