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<p style="text-align:center"> <div style="text-align:center">
<a href="https://github.com/Snailclimb/JavaGuide" target="_blank">
<img src="https://oss.javaguide.cn/github/javaguide/csdn/1c00413c65d1995993bf2b0daf7b4f03.png" width=""/>
</a>
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<p style="text-align:center">
<a href="https://javaguide.cn/"><img src="https://img.shields.io/badge/阅读-read-brightgreen.svg" alt="阅读"></a>
<img src="https://img.shields.io/github/stars/Snailclimb/JavaGuide" alt="stars"/>
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</p>
<h3 style="text-align:center">Recommended</h3>
<table>
<tbody>
<tr>
<td style="text-align:center" valign="middle">
<a href="https://sourl.cn/e7ee87">
<img src="https://oss.javaguide.cn/xingqiu/xingqiu.png" style="margin: 0 auto;width:850px" /></a>
</td>
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</tbody>
</table>
[![logo](https://oss.javaguide.cn/github/javaguide/csdn/1c00413c65d1995993bf2b0daf7b4f03.png)](https://github.com/Snailclimb/JavaGuide)
[![阅读](https://img.shields.io/badge/阅读-read-brightgreen.svg)](https://javaguide.cn/)
![Stars](https://img.shields.io/github/stars/Snailclimb/JavaGuide)
![forks](https://img.shields.io/github/forks/Snailclimb/JavaGuide)
![issues](https://img.shields.io/github/issues/Snailclimb/JavaGuide)
### Recommended
[<img src="https://oss.javaguide.cn/xingqiu/xingqiu.png" style="width:850px;margin: 0 auto" />](https://sourl.cn/e7ee87)
</div>
## Java ## Java
@ -45,8 +36,8 @@
1. **[Java collection FAQ summary](docs/java/collection/java集合框架基础知识&面试题总结.md)** (must see :+1:) 1. **[Java collection FAQ summary](docs/java/collection/java集合框架基础知识&面试题总结.md)** (must see :+1:)
2. [Summary of considerations for using Java containers](docs/java/collection/java集合使用注意事项.md) 2. [Summary of considerations for using Java containers](docs/java/collection/java集合使用注意事项.md)
3. **source code analysis** : [ArrayList source code + expansion mechanism analysis](docs/java/collection/arraylist-source-code.md), 3. **source code analysis** : [ArrayList source code + expansion mechanism analysis](docs/java/collection/arraylist-source-code.md),
[HashMap(JDK1.8) source code + underlying data structure analysis](docs/java/collection/ hashmap-source-code.md), [HashMap(JDK1.8) source code + underlying data structure analysis](docs/java/collection/ hashmap-source-code.md),
[ConcurrentHashMap source code + underlying data structure analysis](docs/java/collection/concurrent-hash-map-source-code.md) [ConcurrentHashMap source code + underlying data structure analysis](docs/java/collection/concurrent-hash-map-source-code.md)
### Concurrency ### Concurrency
@ -87,7 +78,6 @@ This part of JVM mainly refers to [JVM Virtual Machine Specification-Java8 ](htt
1. [JAD decompile](docs/java/tips/JAD反编译tricks.md) 1. [JAD decompile](docs/java/tips/JAD反编译tricks.md)
2. [Handy for locating common Java performance problems](./docs/java/tips/locate-performance-problems/手把手教你定位常见Java性能问题.md) 2. [Handy for locating common Java performance problems](./docs/java/tips/locate-performance-problems/手把手教你定位常见Java性能问题.md)
## Computer Basics ## Computer Basics
👉 **[Illustrated Computer Fundamentals PDF Download](https://mp.weixin.qq.com/s?__biz=Mzg2OTA0Njk0OA==&mid=100021725&idx=1&sn=2db9664ca25363139a81691043e9fd8f&chksm=4ea19a1679d61300d8990f7e43bfc7f476577a81b712cf0f9c6f6552a8b219bc081efddb5c54#rd)** . 👉 **[Illustrated Computer Fundamentals PDF Download](https://mp.weixin.qq.com/s?__biz=Mzg2OTA0Njk0OA==&mid=100021725&idx=1&sn=2db9664ca25363139a81691043e9fd8f&chksm=4ea19a1679d61300d8990f7e43bfc7f476577a81b712cf0f9c6f6552a8b219bc081efddb5c54#rd)** .
@ -110,19 +100,18 @@ This part of JVM mainly refers to [JVM Virtual Machine Specification-Java8 ](htt
1. [Linear data structure :array, chain table, stack, queue](docs/cs-basics/data-structure/线性数据结构.md) 1. [Linear data structure :array, chain table, stack, queue](docs/cs-basics/data-structure/线性数据结构.md)
2. [diagram](docs/cs-basics/data-structure/图.md) 2. [diagram](docs/cs-basics/data-structure/图.md)
3. [heap](docs/cs-basics/data-structure/堆.md) 3. [heap](docs/cs-basics/data-structure/堆.md)
4. [tree](docs/cs-basics/data-structure/树.md) : focus on [red-black-tree](docs/cs-basics/data-structure/红黑树.md), B-, B+, B* tree, LSM tree 4. [tree](docs/cs-basics/data-structure/树.md) : focus on [red-black-tree](docs/cs-basics/data-structure/红黑树.md), B-, B+, B\* tree, LSM tree
Other common data structures : 1. Other common data structures : 1.
1. [Bloom filter](docs/cs-basics/data-structure/bloom-filter.md) 1. [Bloom filter](docs/cs-basics/data-structure/bloom-filter.md)
### Algorithm ### Algorithm
This part of the algorithm is very important, if you do not know how to learn the algorithm, you can look at what I wrote. This part of the algorithm is very important, if you do not know how to learn the algorithm, you can look at what I wrote.
- [Recommended Algorithm Learning Books + Resources](https://www.zhihu.com/question/323359308/answer/1545320858) 。 - [Recommended Algorithm Learning Books + Resources](https://www.zhihu.com/question/323359308/answer/1545320858) 。
- [如何刷Leetcode?](https://www.zhihu.com/question/31092580/answer/1534887374) - [如何刷 Leetcode?](https://www.zhihu.com/question/31092580/answer/1534887374)
**Summary of common algorithm problems** : **Summary of common algorithm problems** :
@ -130,7 +119,7 @@ This part of the algorithm is very important, if you do not know how to learn th
- [Summary of several common algorithm problems of the chain table ](docs/cs-basics/algorithms/几道常见的链表算法题.md) - [Summary of several common algorithm problems of the chain table ](docs/cs-basics/algorithms/几道常见的链表算法题.md)
- [Link offer some programming questions](docs/cs-basics/algorithms/剑指offer部分编程题.md) - [Link offer some programming questions](docs/cs-basics/algorithms/剑指offer部分编程题.md)
In addition，[GeeksforGeeks]( https://www.geeksforgeeks.org/fundamentals-of-algorithms/) This site summarizes the common algorithms, which are more comprehensive and systematic. In addition，[GeeksforGeeks](https://www.geeksforgeeks.org/fundamentals-of-algorithms/) This site summarizes the common algorithms, which are more comprehensive and systematic.
## Database ## Database
@ -140,7 +129,7 @@ In addition，[GeeksforGeeks]( https://www.geeksforgeeks.org/fundamentals-of-alg
1. [Database Basics Summary](docs/database/数据库基础知识.md) 1. [Database Basics Summary](docs/database/数据库基础知识.md)
2. **[MySQL Knowledge Summary](docs/database/mysql/mysql知识点&面试题总结.md)** (Must see:+1:) 2. **[MySQL Knowledge Summary](docs/database/mysql/mysql知识点&面试题总结.md)** (Must see:+1:)
5. [MySQL High Performance Optimization Specification Recommendations](docs/database/mysql/mysql-high-performance-optimization-specification-recommendations.md) 3. [MySQL High Performance Optimization Specification Recommendations](docs/database/mysql/mysql-high-performance-optimization-specification-recommendations.md)
**Important knowledge points:** **Important knowledge points:**
@ -205,6 +194,7 @@ If you have not touched Java Web development, you can first look at my summary o
**[Fundamentals of Certification Authorization](docs/system-design/security/basis-of-authority-certification.md)** In this article I will introduce the common concepts of authentication and authorization: **Authentication**, **Authorization** and **Cookie**, **Session**, Token, **OAuth 2**, **SSO**. If you are not clear about these concepts, we suggest you read this article properly. **[Fundamentals of Certification Authorization](docs/system-design/security/basis-of-authority-certification.md)** In this article I will introduce the common concepts of authentication and authorization: **Authentication**, **Authorization** and **Cookie**, **Session**, Token, **OAuth 2**, **SSO**. If you are not clear about these concepts, we suggest you read this article properly.
- **JWT** : JWT (JSON Web Token) is a form of authentication, where a JWT is essentially a signed piece of data in JSON format. Since it is signed, the recipient can verify its authenticity. Related reading. - **JWT** : JWT (JSON Web Token) is a form of authentication, where a JWT is essentially a signed piece of data in JSON format. Since it is signed, the recipient can verify its authenticity. Related reading.
- [JWT Pros and Cons Analysis and Solutions to Common Problems](docs/system-design/security/jwt优缺点分析以及常见问题解决方案.md) - [JWT Pros and Cons Analysis and Solutions to Common Problems](docs/system-design/security/jwt优缺点分析以及常见问题解决方案.md)
- [Demo for beginners to get started with Spring Security With JWT](https://github.com/Snailclimb/spring-security-jwt-guide) - [Demo for beginners to get started with Spring Security With JWT](https://github.com/Snailclimb/spring-security-jwt-guide)
@ -212,7 +202,7 @@ If you have not touched Java Web development, you can first look at my summary o
#### Data Desensitization #### Data Desensitization
Data desensitization means that we deform sensitive information data according to specific rules, for example, we replace certain digits of cell phone numbers and ID numbers with *. Data desensitization means that we deform sensitive information data according to specific rules, for example, we replace certain digits of cell phone numbers and ID numbers with \*.
### Timed tasks ### Timed tasks

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推荐你通过在线阅读网站进行阅读，体验更好，速度更快！ 推荐你通过在线阅读网站进行阅读，体验更好，速度更快！
* **[JavaGuide 在线阅读网站（新版，推荐👍）](https://javaguide.cn/)** - **[JavaGuide 在线阅读网站（新版，推荐 👍）](https://javaguide.cn/)**
* [JavaGuide 在线阅读版（老版）](https://snailclimb.gitee.io/javaguide/#/) - [JavaGuide 在线阅读版（老版）](https://snailclimb.gitee.io/javaguide/#/)
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<div style="text-align:center">
[![logo](https://oss.javaguide.cn/github/javaguide/csdn/1c00413c65d1995993bf2b0daf7b4f03.png)](https://github.com/Snailclimb/JavaGuide)
[![阅读](https://img.shields.io/badge/阅读-read-brightgreen.svg)](https://javaguide.cn/)
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[GitHub](https://github.com/Snailclimb/JavaGuide) | [Gitee](https://gitee.com/SnailClimb/JavaGuide)
<div align="center">
<p>
<a href="https://javaguide.cn/about-the-author/zhishixingqiu-two-years.html">
<img src="https://oss.javaguide.cn/xingqiu/xingqiu.png" style="margin: 0 auto; width: 850px;" />
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<a href="https://javaguide.cn/"><img src="https://img.shields.io/badge/阅读-read-brightgreen.svg" alt="阅读" /></a>
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<p>
<a href="https://github.com/Snailclimb/JavaGuide">Github</a> |
<a href="https://gitee.com/SnailClimb/JavaGuide">Gitee</a>
</p>
</div> </div>
> 1. **面试专版** ：准备面试的小伙伴可以考虑面试专版：[《Java 面试指北 》](https://javaguide.cn/zhuanlan/java-mian-shi-zhi-bei.html) (质量很高，专为面试打造，配合 JavaGuide 食用)。 > 1. **面试专版** ：准备面试的小伙伴可以考虑面试专版：[《Java 面试指北 》](https://javaguide.cn/zhuanlan/java-mian-shi-zhi-bei.html) (质量很高，专为面试打造，配合 JavaGuide 食用)。
> 1. **知识星球** ：专属面试小册/一对一交流/简历修改/专属求职指南，欢迎加入 [JavaGuide 知识星球](https://javaguide.cn/about-the-author/zhishixingqiu-two-years.html)（点击链接即可查看星球的详细介绍，一定一定一定确定自己真的需要再加入，一定一定要看完详细介绍之后再加我）。 > 1. **知识星球** ：专属面试小册/一对一交流/简历修改/专属求职指南，欢迎加入 [JavaGuide 知识星球](https://javaguide.cn/about-the-author/zhishixingqiu-two-years.html)（点击链接即可查看星球的详细介绍，一定一定一定确定自己真的需要再加入，一定一定要看完详细介绍之后再加我）。
> 2. **转载须知** ：以下所有文章如非文首说明为转载皆为我（Guide 哥）的原创，转载在文首注明出处，如发现恶意抄袭/搬运，会动用法律武器维护自己的权益。让我们一起维护一个良好的技术创作环境！ > 1. **转载须知** ：以下所有文章如非文首说明为转载皆为我（Guide 哥）的原创，转载在文首注明出处，如发现恶意抄袭/搬运，会动用法律武器维护自己的权益。让我们一起维护一个良好的技术创作环境！
<div align="center"> <div style="text-align:center">
<img src="https://oss.javaguide.cn/github/javaguide/gongzhonghaoxuanchuan.png" style="margin: 0 auto;" /> <img src="https://oss.javaguide.cn/github/javaguide/gongzhonghaoxuanchuan.png" style="margin: 0 auto;" />
</div> </div>
## 项目相关 ## 项目相关
* [项目介绍](./docs/javaguide/intro.md) - [项目介绍](./docs/javaguide/intro.md)
* [贡献指南](./docs/javaguide/contribution-guideline.md) - [贡献指南](./docs/javaguide/contribution-guideline.md)
* [常见问题](./docs/javaguide/faq.md) - [常见问题](./docs/javaguide/faq.md)
* [项目待办](./docs/javaguide/todo.md) - [项目待办](./docs/javaguide/todo.md)
## Java ## Java
@ -74,15 +65,15 @@
**源码分析** ： **源码分析** ：
* [ArrayList 源码+扩容机制分析](./docs/java/collection/arraylist-source-code.md) - [ArrayList 源码+扩容机制分析](./docs/java/collection/arraylist-source-code.md)
* [HashMap(JDK1.8)源码+底层数据结构分析](./docs/java/collection/hashmap-source-code.md) - [HashMap(JDK1.8)源码+底层数据结构分析](./docs/java/collection/hashmap-source-code.md)
* [ConcurrentHashMap 源码+底层数据结构分析](./docs/java/collection/concurrent-hash-map-source-code.md) - [ConcurrentHashMap 源码+底层数据结构分析](./docs/java/collection/concurrent-hash-map-source-code.md)
### IO ### IO
* [IO 基础知识总结](./docs/java/io/io-basis.md) - [IO 基础知识总结](./docs/java/io/io-basis.md)
* [IO 设计模式总结](./docs/java/io/io-design-patterns.md) - [IO 设计模式总结](./docs/java/io/io-design-patterns.md)
* [IO 模型详解](./docs/java/io/io-model.md) - [IO 模型详解](./docs/java/io/io-model.md)
### 并发 ### 并发
@ -100,11 +91,11 @@
- [Java 并发容器总结](./docs/java/concurrent/java-concurrent-collections.md) - [Java 并发容器总结](./docs/java/concurrent/java-concurrent-collections.md)
- [Atomic 原子类总结](./docs/java/concurrent/atomic-classes.md) - [Atomic 原子类总结](./docs/java/concurrent/atomic-classes.md)
- [AQS 详解](./docs/java/concurrent/aqs.md) - [AQS 详解](./docs/java/concurrent/aqs.md)
- [CompletableFuture详解](./docs/java/concurrent/completablefuture-intro.md) - [CompletableFuture 详解](./docs/java/concurrent/completablefuture-intro.md)
### JVM (必看 :+1:) ### JVM (必看 :+1:)
JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle.com/javase/specs/jvms/se8/html/index.html) 和周志明老师的[《深入理解Java虚拟机（第3版）》](https://book.douban.com/subject/34907497/) （强烈建议阅读多遍！）。 JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle.com/javase/specs/jvms/se8/html/index.html) 和周志明老师的[《深入理解 Java 虚拟机（第 3 版）》](https://book.douban.com/subject/34907497/) （强烈建议阅读多遍！）。
- **[Java 内存区域](./docs/java/jvm/memory-area.md)** - **[Java 内存区域](./docs/java/jvm/memory-area.md)**
- **[JVM 垃圾回收](./docs/java/jvm/jvm-garbage-collection.md)** - **[JVM 垃圾回收](./docs/java/jvm/jvm-garbage-collection.md)**
@ -117,7 +108,7 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle
### 新特性 ### 新特性
- **Java 8** ：[Java 8 新特性总结（翻译）](./docs/java/new-features/java8-tutorial-translate.md)、[Java8常用新特性总结](./docs/java/new-features/java8-common-new-features.md) - **Java 8** ：[Java 8 新特性总结（翻译）](./docs/java/new-features/java8-tutorial-translate.md)、[Java8 常用新特性总结](./docs/java/new-features/java8-common-new-features.md)
- [Java 9 新特性概览](./docs/java/new-features/java9.md) - [Java 9 新特性概览](./docs/java/new-features/java9.md)
- [Java 10 新特性概览](./docs/java/new-features/java10.md) - [Java 10 新特性概览](./docs/java/new-features/java10.md)
- [Java 11 新特性概览](./docs/java/new-features/java11.md) - [Java 11 新特性概览](./docs/java/new-features/java11.md)
@ -166,7 +157,7 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle
- [线性数据结构 :数组、链表、栈、队列](./docs/cs-basics/data-structure/linear-data-structure.md) - [线性数据结构 :数组、链表、栈、队列](./docs/cs-basics/data-structure/linear-data-structure.md)
- [图](./docs/cs-basics/data-structure/graph.md) - [图](./docs/cs-basics/data-structure/graph.md)
- [堆](./docs/cs-basics/data-structure/heap.md) - [堆](./docs/cs-basics/data-structure/heap.md)
- [树](./docs/cs-basics/data-structure/tree.md) ：重点关注[红黑树](./docs/cs-basics/data-structure/red-black-tree.md)、B-，B+，B*树、LSM树 - [树](./docs/cs-basics/data-structure/tree.md) ：重点关注[红黑树](./docs/cs-basics/data-structure/red-black-tree.md)、B-，B+，B\*树、LSM 树
其他常用数据结构 ： 其他常用数据结构 ：
@ -176,17 +167,17 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle
算法这部分内容非常重要，如果你不知道如何学习算法的话，可以看下我写的： 算法这部分内容非常重要，如果你不知道如何学习算法的话，可以看下我写的：
* [算法学习书籍+资源推荐](https://www.zhihu.com/question/323359308/answer/1545320858) 。 - [算法学习书籍+资源推荐](https://www.zhihu.com/question/323359308/answer/1545320858) 。
* [如何刷Leetcode?](https://www.zhihu.com/question/31092580/answer/1534887374) - [如何刷 Leetcode?](https://www.zhihu.com/question/31092580/answer/1534887374)
**常见算法问题总结** ： **常见算法问题总结** ：
* [几道常见的字符串算法题总结 ](./docs/cs-basics/algorithms/string-algorithm-problems.md) - [几道常见的字符串算法题总结 ](./docs/cs-basics/algorithms/string-algorithm-problems.md)
* [几道常见的链表算法题总结 ](./docs/cs-basics/algorithms/linkedlist-algorithm-problems.md) - [几道常见的链表算法题总结 ](./docs/cs-basics/algorithms/linkedlist-algorithm-problems.md)
* [剑指 offer 部分编程题](./docs/cs-basics/algorithms/the-sword-refers-to-offer.md) - [剑指 offer 部分编程题](./docs/cs-basics/algorithms/the-sword-refers-to-offer.md)
* [十大经典排序算法](./docs/cs-basics/algorithms/10-classical-sorting-algorithms.md) - [十大经典排序算法](./docs/cs-basics/algorithms/10-classical-sorting-algorithms.md)
另外，[GeeksforGeeks]( https://www.geeksforgeeks.org/fundamentals-of-algorithms/) 这个网站总结了常见的算法 ，比较全面系统。 另外，[GeeksforGeeks](https://www.geeksforgeeks.org/fundamentals-of-algorithms/) 这个网站总结了常见的算法 ，比较全面系统。
## 数据库 ## 数据库
@ -196,9 +187,8 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle
- [NoSQL 基础知识总结](./docs/database/nosql.md) - [NoSQL 基础知识总结](./docs/database/nosql.md)
- [字符集详解](./docs/database/character-set.md) - [字符集详解](./docs/database/character-set.md)
- SQL : - SQL :
- [SQL语法基础知识总结](./docs/database/sql/sql-syntax-summary.md) - [SQL 语法基础知识总结](./docs/database/sql/sql-syntax-summary.md)
- [SQL常见面试题总结](./docs/database/sql/sql-questions-01.md) - [SQL 常见面试题总结](./docs/database/sql/sql-questions-01.md)
### MySQL ### MySQL
@ -209,14 +199,14 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle
**重要知识点：** **重要知识点：**
- [MySQL索引详解](./docs/database/mysql/mysql-index.md) - [MySQL 索引详解](./docs/database/mysql/mysql-index.md)
- [MySQL事务隔离级别图文详解)](./docs/database/mysql/transaction-isolation-level.md) - [MySQL 事务隔离级别图文详解)](./docs/database/mysql/transaction-isolation-level.md)
- [MySQL三大日志(binlog、redo log和undo log)详解](./docs/database/mysql/mysql-logs.md) - [MySQL 三大日志(binlog、redo log 和 undo log)详解](./docs/database/mysql/mysql-logs.md)
- [InnoDB 存储引擎对 MVCC 的实现](./docs/database/mysql/innodb-implementation-of-mvcc.md) - [InnoDB 存储引擎对 MVCC 的实现](./docs/database/mysql/innodb-implementation-of-mvcc.md)
- [SQL 语句在 MySQL 中的执行过程](./docs/database/mysql/how-sql-executed-in-mysql.md) - [SQL 语句在 MySQL 中的执行过程](./docs/database/mysql/how-sql-executed-in-mysql.md)
- [MySQL 查询缓存详解](./docs/database/mysql/mysql-query-cache.md) - [MySQL 查询缓存详解](./docs/database/mysql/mysql-query-cache.md)
- [MySQL执行计划分析](./docs/database/mysql/mysql-query-execution-plan.md) - [MySQL 执行计划分析](./docs/database/mysql/mysql-query-execution-plan.md)
- [MySQL自增主键一定是连续的吗](./docs/database/mysql/mysql-auto-increment-primary-key-continuous.md) - [MySQL 自增主键一定是连续的吗](./docs/database/mysql/mysql-auto-increment-primary-key-continuous.md)
- [MySQL 时间类型数据存储建议](./docs/database/mysql/some-thoughts-on-database-storage-time.md) - [MySQL 时间类型数据存储建议](./docs/database/mysql/some-thoughts-on-database-storage-time.md)
- [MySQL 隐式转换造成索引失效](./docs/database/mysql/index-invalidation-caused-by-implicit-conversion.md) - [MySQL 隐式转换造成索引失效](./docs/database/mysql/index-invalidation-caused-by-implicit-conversion.md)
@ -229,7 +219,7 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle
**重要知识点：** **重要知识点：**
- [3种常用的缓存读写策略详解](./docs/database/redis/3-commonly-used-cache-read-and-write-strategies.md) - [3 种常用的缓存读写策略详解](./docs/database/redis/3-commonly-used-cache-read-and-write-strategies.md)
- [Redis 5 种基本数据结构详解](./docs/database/redis/redis-data-structures-01.md) - [Redis 5 种基本数据结构详解](./docs/database/redis/redis-data-structures-01.md)
- [Redis 3 种特殊数据结构详解](./docs/database/redis/redis-data-structures-02.md) - [Redis 3 种特殊数据结构详解](./docs/database/redis/redis-data-structures-02.md)
- [Redis 持久化机制详解](./docs/database/redis/redis-persistence.md) - [Redis 持久化机制详解](./docs/database/redis/redis-persistence.md)
@ -244,7 +234,7 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle
## 搜索引擎 ## 搜索引擎
[Elasticsearch常见面试题总结(付费)](./docs/database/elasticsearch/elasticsearch-questions-01.md) [Elasticsearch 常见面试题总结(付费)](./docs/database/elasticsearch/elasticsearch-questions-01.md)
![JavaGuide 官方公众号](https://oss.javaguide.cn/github/javaguide/gongzhonghaoxuanchuan.png) ![JavaGuide 官方公众号](https://oss.javaguide.cn/github/javaguide/gongzhonghaoxuanchuan.png)
@ -260,13 +250,13 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle
### Docker ### Docker
* [Docker 核心概念总结](./docs/tools/docker/docker-intro.md) - [Docker 核心概念总结](./docs/tools/docker/docker-intro.md)
* [Docker 实战](./docs/tools/docker/docker-in-action.md) - [Docker 实战](./docs/tools/docker/docker-in-action.md)
### Git ### Git
* [Git 核心概念总结](./docs/tools/git/git-intro.md) - [Git 核心概念总结](./docs/tools/git/git-intro.md)
* [Github 实用小技巧总结](./docs/tools/git/github-tips.md) - [Github 实用小技巧总结](./docs/tools/git/github-tips.md)
## 系统设计 ## 系统设计
@ -312,10 +302,9 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle
- [SSO 单点登录详解](./docs/system-design/security/sso-intro.md) - [SSO 单点登录详解](./docs/system-design/security/sso-intro.md)
- [权限系统设计详解](./docs/system-design/security/design-of-authority-system.md) - [权限系统设计详解](./docs/system-design/security/design-of-authority-system.md)
#### 数据脱敏 #### 数据脱敏
数据脱敏说的就是我们根据特定的规则对敏感信息数据进行变形，比如我们把手机号、身份证号某些位数使用 * 来代替。 数据脱敏说的就是我们根据特定的规则对敏感信息数据进行变形，比如我们把手机号、身份证号某些位数使用 \* 来代替。
#### 敏感词过滤 #### 敏感词过滤
@ -360,8 +349,8 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle
### RPC ### RPC
* [RPC 基础常见知识点&面试题总结](./docs/distributed-system/rpc/rpc-intro.md) - [RPC 基础常见知识点&面试题总结](./docs/distributed-system/rpc/rpc-intro.md)
* [Dubbo 常见知识点&面试题总结](./docs/distributed-system/rpc/dubbo.md) - [Dubbo 常见知识点&面试题总结](./docs/distributed-system/rpc/dubbo.md)
### ZooKeeper ### ZooKeeper
@ -425,18 +414,17 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle
**灾备** = 容灾+备份。 **灾备** = 容灾+备份。
* **备份** ： 将系统所产生的的所有重要数据多备份几份。 - **备份** ： 将系统所产生的的所有重要数据多备份几份。
* **容灾** ： 在异地建立两个完全相同的系统。当某个地方的系统突然挂掉，整个应用系统可以切换到另一个，这样系统就可以正常提供服务了。 - **容灾** ： 在异地建立两个完全相同的系统。当某个地方的系统突然挂掉，整个应用系统可以切换到另一个，这样系统就可以正常提供服务了。
**异地多活** 描述的是将服务部署在异地并且服务同时对外提供服务。和传统的灾备设计的最主要区别在于“多活”，即所有站点都是同时在对外提供服务的。异地多活是为了应对突发状况比如火灾、地震等自然或者人为灾害。 **异地多活** 描述的是将服务部署在异地并且服务同时对外提供服务。和传统的灾备设计的最主要区别在于“多活”，即所有站点都是同时在对外提供服务的。异地多活是为了应对突发状况比如火灾、地震等自然或者人为灾害。
## Star 趋势 ## Star 趋势
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