笔记备份：2025-08-21 21:09:00

.obsidian/plugins/keep-the-rhythm/data.json

@@ -538,11 +538,11 @@
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.obsidian/plugins/novel-word-count/data.json

@@ -463,20 +463,20 @@
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A1-Work/语言/Java/基础学习.md

@@ -506,6 +506,12 @@ public class Test {
 | WeakHashMap     | 一种其值毫无用武之地后可以被垃圾回收器回收的映射表   |
 | IdentityHashMap | 一种用 == 而不是用 equals 比较键值的                 | 
 
+### 集合框架
+```mermaid
+classDiagram
+    
+```
+
 ## JDK 特性
 
 ### JDK7