From 1b3e9884f1fb75bb98f390a48b3f231267ce1ff0 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Wed, 14 Oct 2026 11:22:12 +0800
Subject: [PATCH] =?UTF-8?q?s-day03--List=E5=AE=9E=E7=8E=B0=E7=B1=BBArrayLi?=
 =?UTF-8?q?st=E7=9A=84=E7=89=B9=E7=82=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .../com/inmind/list01/ArrayListDemo03.java    | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 s-day03/src/com/inmind/list01/ArrayListDemo03.java

diff --git a/s-day03/src/com/inmind/list01/ArrayListDemo03.java b/s-day03/src/com/inmind/list01/ArrayListDemo03.java
new file mode 100644
index 0000000..57284b0
--- /dev/null
+++ b/s-day03/src/com/inmind/list01/ArrayListDemo03.java
@@ -0,0 +1,27 @@
+package com.inmind.list01;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/*
+    List接口的实现类----ArrayList类的特点
+    它的底层是Object[]
+    它的特点：
+    1.查询快 （连续空间）
+    2.增删慢 （固定长度）
+    3.存取有序
+    4.有索引
+    5.数据可以重复
+ */
+public class ArrayListDemo03 {
+    public static void main(String[] args) {
+        ArrayList<String> list = new ArrayList<>();
+        list.add("杨幂");
+        list.add("迪丽热巴");
+        list.add("王宝强");
+        list.add("王宝强");
+        list.add("王宝强");
+        System.out.println(list);
+        System.out.println(list.get(0));
+    }
+}