From dcb8c4947a727384d63d1670294d703b0fc44d85 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sun, 2 Aug 2026 13:37:17 +0800
Subject: [PATCH] =?UTF-8?q?s-day02-LinkedHashSet=E7=9A=84=E7=89=B9?=
 =?UTF-8?q?=E7=82=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/inmind/set02/LinkedHashSetDemo11.java | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 s-day03/src/com/inmind/set02/LinkedHashSetDemo11.java

diff --git a/s-day03/src/com/inmind/set02/LinkedHashSetDemo11.java b/s-day03/src/com/inmind/set02/LinkedHashSetDemo11.java
new file mode 100644
index 0000000..3afba5b
--- /dev/null
+++ b/s-day03/src/com/inmind/set02/LinkedHashSetDemo11.java
@@ -0,0 +1,29 @@
+package com.inmind.set02;
+
+import java.util.LinkedHashSet;
+
+/*
+LinkedHashSet的特点
+1.存取有序
+2.没有索引
+3.不能重复
+
+LinkedHashSet的底层数据结构：在哈希表的基础上，添加了链表
+哈希表：去重，高效查询
+链表：保证数据的顺序
+
+注意：当我们定义的集合既要去重，也要保证顺序，采用LinkedHashSet
+ */
+public class LinkedHashSetDemo11 {
+    public static void main(String[] args) {
+        LinkedHashSet<String> sets = new LinkedHashSet<>();
+        sets.add("刘备");
+        sets.add("关羽");
+        sets.add("张飞");
+        sets.add("张飞");
+        sets.add("张飞");
+        sets.add("张飞");
+        sets.add("张飞");
+        System.out.println(sets);
+    }
+}