From 9388b14f53c3a28c8c677729a5fc08f27f62467b Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sat, 16 May 2026 13:23:09 +0800
Subject: [PATCH] =?UTF-8?q?day08-=E5=B8=B8=E7=94=A8=E7=B1=BB-String-?=
 =?UTF-8?q?=E7=9A=84=E6=AF=94=E8=BE=83=E7=9A=84=E6=96=B9=E6=B3=95=5Fequals?=
 =?UTF-8?q?=5FequalsIgnoreCase?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 day08/src/com/inmind/string01/Demo03.java | 26 +++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 day08/src/com/inmind/string01/Demo03.java

diff --git a/day08/src/com/inmind/string01/Demo03.java b/day08/src/com/inmind/string01/Demo03.java
new file mode 100644
index 0000000..af2a8eb
--- /dev/null
+++ b/day08/src/com/inmind/string01/Demo03.java
@@ -0,0 +1,26 @@
+package com.inmind.string01;
+/*
+常用类_String的比较的方法_equals_equalsIgnoreCase
+
+String（引用数据类型）的比较：
+==：表示比较String对象的地址，其实没有任何意义，==一般用于基本数据类型的值是否相等比较
+equals：表示比较String对象地址所指向的内容
+
+比较的方法：
+public boolean equals (Object anObject) ：将此字符串与指定对象进行比较。
+public boolean equalsIgnoreCase (String anotherString) ：将此字符串与指定对象进行比较，忽略大小
+写。
+ */
+public class Demo03 {
+    public static void main(String[] args) {
+        String s1 = "hello";
+        String s2 = new String("hello");
+        System.out.println(s1 == s2);//比较地址 false
+        System.out.println(s1);
+        System.out.println(s2);
+        System.out.println(s1.equals(s2));//比较内容 true
+        System.out.println("-----------------------");
+        String s3 = "HeLlo";
+        System.out.println(s1.equalsIgnoreCase(s2));//true
+    }
+}