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Title: GitHub - pdool/Java-Notes: java学习笔记，包括JVM，并发，JDK一些工具的源码，各种书籍，spring，hashMap实现源码分析，剑指offer题解。 · GitHub

Open Graph Title: GitHub - pdool/Java-Notes: java学习笔记，包括JVM，并发，JDK一些工具的源码，各种书籍，spring，hashMap实现源码分析，剑指offer题解。

X Title: GitHub - pdool/Java-Notes: java学习笔记，包括JVM，并发，JDK一些工具的源码，各种书籍，spring，hashMap实现源码分析，剑指offer题解。

Description: java学习笔记，包括JVM，并发，JDK一些工具的源码，各种书籍，spring，hashMap实现源码分析，剑指offer题解。 - pdool/Java-Notes

Open Graph Description: java学习笔记，包括JVM，并发，JDK一些工具的源码，各种书籍，spring，hashMap实现源码分析，剑指offer题解。 - pdool/Java-Notes

X Description: java学习笔记，包括JVM，并发，JDK一些工具的源码，各种书籍，spring，hashMap实现源码分析，剑指offer题解。 - pdool/Java-Notes

Opengraph URL: https://github.com/pdool/Java-Notes

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https://github.com/pdool/Java-Notes/commits/master/
Algorithmhttps://github.com/pdool/Java-Notes/tree/master/Algorithm
Algorithmhttps://github.com/pdool/Java-Notes/tree/master/Algorithm
ConcurrencyProgramminghttps://github.com/pdool/Java-Notes/tree/master/ConcurrencyProgramming
ConcurrencyProgramminghttps://github.com/pdool/Java-Notes/tree/master/ConcurrencyProgramming
IdeaTools/查看类之间的关系https://github.com/pdool/Java-Notes/tree/master/IdeaTools/%E6%9F%A5%E7%9C%8B%E7%B1%BB%E4%B9%8B%E9%97%B4%E7%9A%84%E5%85%B3%E7%B3%BB
IdeaTools/查看类之间的关系https://github.com/pdool/Java-Notes/tree/master/IdeaTools/%E6%9F%A5%E7%9C%8B%E7%B1%BB%E4%B9%8B%E9%97%B4%E7%9A%84%E5%85%B3%E7%B3%BB
Interviewhttps://github.com/pdool/Java-Notes/tree/master/Interview
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JVMhttps://github.com/pdool/Java-Notes/tree/master/JVM
SourceCodehttps://github.com/pdool/Java-Notes/tree/master/SourceCode
SourceCodehttps://github.com/pdool/Java-Notes/tree/master/SourceCode
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Structhttps://github.com/pdool/Java-Notes/tree/master/Struct
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designPatternhttps://github.com/pdool/Java-Notes/tree/master/designPattern
designPatternhttps://github.com/pdool/Java-Notes/tree/master/designPattern
hashMaphttps://github.com/pdool/Java-Notes/tree/master/hashMap
hashMaphttps://github.com/pdool/Java-Notes/tree/master/hashMap
imghttps://github.com/pdool/Java-Notes/tree/master/img
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https://github.com/pdool/Java-Notes#写在前面
有需要的可以看看，如果入门也可以作为选择https://github.com/leosanqing/food-shop
书籍https://github.com/leosanqing/Java-Notes/tree/master/books
JVMhttps://github.com/leosanqing/Java-Notes/tree/master/JVM
源码区https://github.com/leosanqing/Java-Notes/tree/master/SourceCode
设计模式https://github.com/leosanqing/Java-Notes/tree/master/designPattern
算法https://github.com/leosanqing/Java-Notes/tree/master/Algorithm
并发编程https://github.com/leosanqing/Java-Notes/tree/master/ConcurrencyProgramming
项目https://github.com/leosanqing/food-shop
数据结构https://github.com/leosanqing/Java-Notes/tree/master/Struct
https://github.com/pdool/Java-Notes#书籍
https://github.com/leosanqing/Java-Notes/tree/master/bookshttps://github.com/leosanqing/Java-Notes/tree/master/books
https://github.com/pdool/Java-Notes#数据结构
https://github.com/leosanqing/Java-Notes/tree/master/Structhttps://github.com/leosanqing/Java-Notes/tree/master/Struct
https://github.com/pdool/Java-Notes#hashmap
hashMap 部分源码注释https://github.com/leosanqing/Java-Notes/blob/master/Struct/hashMapDemo/src/MyHashMap.java
HashMap-put过程https://github.com/leosanqing/Java-Notes/blob/master/hashMap/HashMap%E5%88%86%E6%9E%90.md
HashMap 输入初始值时,table 长度https://github.com/leosanqing/Java-Notes/blob/master/hashMap/table%E9%95%BF%E5%BA%A6%E5%88%B0%E5%BA%95%E6%98%AF%E5%A4%9A%E5%B0%91.md
为啥HashMap的长度一定是2的n次方https://github.com/leosanqing/Java-Notes/blob/master/hashMap/%E4%B8%BA%E5%95%A5HashMap%E7%9A%84%E9%95%BF%E5%BA%A6%E4%B8%80%E5%AE%9A%E6%98%AF2%E7%9A%84n%E6%AC%A1%E6%96%B9.md
https://github.com/pdool/Java-Notes#jvm基本更完
https://github.com/leosanqing/Java-Notes/tree/master/JVMhttps://github.com/leosanqing/Java-Notes/tree/master/JVM
https://github.com/pdool/Java-Notes#自动内存管理
JVM 垃圾回收https://github.com/leosanqing/Java-Notes/blob/master/JVM/JVM%E5%9E%83%E5%9C%BE%E5%9B%9E%E6%94%B6.md
从最旧到最新垃圾回收器https://github.com/leosanqing/Java-Notes/blob/master/JVM/%E5%9E%83%E5%9C%BE%E5%9B%9E%E6%94%B6%E5%99%A8/%E5%9E%83%E5%9C%BE%E5%9B%9E%E6%94%B6%E5%99%A8.md
Java内存区域与内存模型https://github.com/leosanqing/Java-Notes/blob/master/JVM/Java%E5%86%85%E5%AD%98%E5%8C%BA%E5%9F%9F/Java%E5%86%85%E5%AD%98%E5%8C%BA%E5%9F%9F.md
内存分配策略https://github.com/leosanqing/Java-Notes/blob/master/JVM/%E5%86%85%E5%AD%98%E5%88%86%E9%85%8D%E7%AD%96%E7%95%A5/%E5%86%85%E5%AD%98%E5%88%86%E9%85%8D%E7%AD%96%E7%95%A5.md
https://github.com/pdool/Java-Notes#虚拟机执行子系统
虚拟机跨平台的基础https://github.com/leosanqing/Java-Notes/blob/master/JVM/%E8%99%9A%E6%8B%9F%E6%9C%BA%E6%89%A7%E8%A1%8C%E5%AD%90%E7%B3%BB%E7%BB%9F/java%E5%A6%82%E4%BD%95%E5%AE%9E%E7%8E%B0%E8%B7%A8%E5%B9%B3%E5%8F%B0/java%E5%A6%82%E4%BD%95%E5%AE%9E%E7%8E%B0%E8%B7%A8%E5%B9%B3%E5%8F%B0.md
能看懂的字节码系列-上和下https://github.com/leosanqing/Java-Notes/blob/master/JVM/%E8%99%9A%E6%8B%9F%E6%9C%BA%E6%89%A7%E8%A1%8C%E5%AD%90%E7%B3%BB%E7%BB%9F/%E5%AD%97%E8%8A%82%E7%A0%81%E6%96%87%E4%BB%B6%E7%BB%93%E6%9E%84/%E8%83%BD%E7%9C%8B%E6%87%82%E7%9A%84%E5%AD%97%E8%8A%82%E7%A0%81-%E4%B8%8A.md
类加载都经历了啥https://github.com/leosanqing/Java-Notes/blob/master/JVM/%E8%99%9A%E6%8B%9F%E6%9C%BA%E6%89%A7%E8%A1%8C%E5%AD%90%E7%B3%BB%E7%BB%9F/%E7%B1%BB%E5%8A%A0%E8%BD%BD%E8%BF%87%E7%A8%8B/%E7%B1%BB%E5%8A%A0%E8%BD%BD.md
类加载器和双亲委派模型https://github.com/leosanqing/Java-Notes/blob/master/JVM/%E8%99%9A%E6%8B%9F%E6%9C%BA%E6%89%A7%E8%A1%8C%E5%AD%90%E7%B3%BB%E7%BB%9F/%E7%B1%BB%E5%8A%A0%E8%BD%BD%E5%99%A8%E5%92%8C%E5%8F%8C%E4%BA%B2%E5%A7%94%E6%B4%BE%E6%A8%A1%E5%9E%8B/%E7%B1%BB%E5%8A%A0%E8%BD%BD%E5%99%A8%E5%92%8C%E5%8F%8C%E4%BA%B2%E5%A7%94%E6%B4%BE%E6%A8%A1%E5%9E%8B.md
对象创建https://github.com/leosanqing/Java-Notes/blob/master/JVM/%E5%AF%B9%E8%B1%A1%E5%88%9B%E5%BB%BA/%E5%AF%B9%E8%B1%A1%E7%9A%84%E5%88%9B%E5%BB%BA.md
栈帧结构https://github.com/leosanqing/Java-Notes/blob/master/JVM/%E8%99%9A%E6%8B%9F%E6%9C%BA%E6%89%A7%E8%A1%8C%E5%AD%90%E7%B3%BB%E7%BB%9F/%E6%A0%88%E5%B8%A7%E7%BB%93%E6%9E%84/%E6%A0%88%E5%B8%A7%E7%BB%93%E6%9E%84.md
重写和重载的区别https://github.com/leosanqing/Java-Notes/blob/master/JVM/%E8%99%9A%E6%8B%9F%E6%9C%BA%E6%89%A7%E8%A1%8C%E5%AD%90%E7%B3%BB%E7%BB%9F/%E6%96%B9%E6%B3%95%E8%B0%83%E7%94%A8/%E6%96%B9%E6%B3%95%E8%B0%83%E7%94%A8.md
https://github.com/pdool/Java-Notes#jvm优化
运行期优化https://github.com/leosanqing/Java-Notes/blob/master/JVM/%E7%A8%8B%E5%BA%8F%E7%BC%96%E8%AF%91%E4%B8%8E%E4%BB%A3%E7%A0%81%E4%BC%98%E5%8C%96/%E8%BF%90%E8%A1%8C%E6%9C%9F%E4%BC%98%E5%8C%96/%E8%BF%90%E8%A1%8C%E6%9C%9F%E4%BC%98%E5%8C%96.md
https://github.com/pdool/Java-Notes#并发
链接https://github.com/leosanqing/Java-Notes/tree/master/ConcurrencyProgramming
https://github.com/pdool/Java-Notes#redis
https://github.com/pdool/Java-Notes#并发-1
https://github.com/leosanqing/Java-Notes/tree/master/ConcurrencyProgramminghttps://github.com/leosanqing/Java-Notes/tree/master/ConcurrencyProgramming
Java内存模型https://github.com/leosanqing/Java-Notes/blob/master/ConcurrencyProgramming/0-%E5%9F%BA%E7%A1%80/Java%20%E5%86%85%E5%AD%98%E6%A8%A1%E5%9E%8B/Java%E5%86%85%E5%AD%98%E6%A8%A1%E5%9E%8B.md
轻量级锁、重量级锁是啥玩意儿https://github.com/leosanqing/Java-Notes/blob/master/ConcurrencyProgramming/0-%E5%9F%BA%E7%A1%80/%E9%94%81%E5%AF%B9%E6%AF%94/%E9%94%81%E5%AF%B9%E6%AF%94.md
悲观锁和乐观锁https://github.com/leosanqing/Java-Notes/blob/master/ConcurrencyProgramming/0-%E5%9F%BA%E7%A1%80/%E6%82%B2%E8%A7%82%E9%94%81%E5%92%8C%E4%B9%90%E8%A7%82%E9%94%81/%E6%82%B2%E8%A7%82%E9%94%81%E5%92%8C%E4%B9%90%E8%A7%82%E9%94%81.md
线程实现https://github.com/leosanqing/Java-Notes/blob/master/ConcurrencyProgramming/0-%E5%9F%BA%E7%A1%80/%E7%BA%BF%E7%A8%8B%E5%AE%9E%E7%8E%B0/%E7%BA%BF%E7%A8%8B%E5%AE%9E%E7%8E%B0.md
https://github.com/pdool/Java-Notes#设计模式
https://github.com/leosanqing/Java-Notes/tree/master/designPatternhttps://github.com/leosanqing/Java-Notes/tree/master/designPattern
https://github.com/pdool/Java-Notes#springmvc
手写的SpringMVC框架https://github.com/leosanqing/Java-Notes/tree/master/spring/my-spring05
单例和多例的区别https://github.com/leosanqing/Java-Notes/blob/master/spring/spring%E4%B8%AD%E5%8D%95%E4%BE%8B%E5%92%8C%E5%A4%9A%E4%BE%8B%E7%9A%84%E5%8C%BA%E5%88%AB/spring%E4%B8%AD%E5%8D%95%E4%BE%8B%E5%92%8C%E5%A4%9A%E4%BE%8B%E7%9A%84%E5%8C%BA%E5%88%AB.md
https://github.com/pdool/Java-Notes#联系我
https://github.com/pdool/Java-Notes/blob/master/img/WechatIMG1.jpeg
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