From ecb6a1443f62598345ad5914bfc295f90917be17 Mon Sep 17 00:00:00 2001
From: danny <12793148@qq.com>
Date: Wed, 20 Mar 2024 09:20:39 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AD=97=E7=AC=A6=E4=B8=B2=E6=94=B9=E6=88=90?=
 =?UTF-8?q?=E4=BA=86=E8=A7=A3?=
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---
 03：类与对象/02.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/03：类与对象/02.md b/03：类与对象/02.md
index 1ed2e38..fe76d0a 100644
--- a/03：类与对象/02.md
+++ b/03：类与对象/02.md
@@ -148,7 +148,7 @@ Character类的`Character.isDigit(char)`，`Character.isLetter(char)`这些函
 
 **在使用数值类封装类型的时候要特别注意！封装类型是引用类型，因此可能有一个特殊的值null；**
 
-## 3. 字符串
+## 3. 字符串(了解)
 
 ### 3.1. join和split