From 851cb0c2aa81cf8c374a93edc66f93cd1877459b Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Tue, 22 Sep 2026 11:25:38 +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
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Content-Transfer-Encoding: 8bit

---
 day08/src/com/inmind/string01/Demo03.java | 22 ++++++++++++++++++++++
 1 file changed, 22 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..d098b94
--- /dev/null
+++ b/day08/src/com/inmind/string01/Demo03.java
@@ -0,0 +1,22 @@
+package com.inmind.string01;
+/*
+常用类-String-的比较的方法_equals_equalsIgnoreCase
+
+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 str1 = "abc";
+        String str2 = new String("abc");
+        System.out.println(str1);
+        System.out.println(str2);
+        System.out.println(str1 == str2);//str1和str2的地址不同，只是他们指向最终的内容是相同，所以此处是false
+        System.out.println(str1.equals(str2));//这才是比较内容，这才是开发时所需的操作
+        String str3 = "AbC";
+        System.out.println(str1.equals(str3));
+        System.out.println(str1.equalsIgnoreCase(str3));
+
+    }
+}