# Java-Interview

**Repository Path**: andyfeng/Java-Interview

## Basic Information

- **Project Name**: Java-Interview
- **Description**: Java related: basic, concurrent, algorithm 
https://crossoverjie.top/categories/Java-%E8%BF%9B%E9%98%B6/
- **Primary Language**: Java
- **License**: MIT
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2018-03-15
- **Last Updated**: 2020-12-19

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

`Java` 日常开发知识点，继续完善中。

> 多数是一些 `Java` 基础知识、底层原理、算法详解。也有上层应用设计，其中不乏一些大厂面试真题。

如果对你有帮助请点下 `Star`，有疑问欢迎提 [Issues](https://github.com/crossoverJie/Java-Interview/issues)，有好的想法请提 [PR](https://github.com/crossoverJie/Java-Interview/pulls)。

### Java 集合
- [ArrayList/Vector 底层分析](https://github.com/crossoverJie/Java-Interview/blob/master/MD/ArrayList.md)
- [LinkedList 底层分析](https://github.com/crossoverJie/Java-Interview/blob/master/MD/LinkedList.md)
- [HashMap 底层分析](https://github.com/crossoverJie/Java-Interview/blob/master/MD/HashMap.md)
- [LinkedHashMap 底层分析](https://github.com/crossoverJie/Java-Interview/blob/master/MD/collection/LinkedHashMap.md)

### Java 多线程
- [多线程中的常见问题](https://github.com/crossoverJie/Java-Interview/blob/master/MD/Thread-common-problem.md)
- [synchronize 关键字原理](https://github.com/crossoverJie/Java-Interview/blob/master/MD/Synchronize.md)
- [多线程的三大核心](https://github.com/crossoverJie/Java-Interview/blob/master/MD/Threadcore.md)
- [对锁的一些认知，有哪些锁](https://github.com/crossoverJie/Java-Interview/blob/master/MD/Java-lock.md)
- [ReentrantLock 实现原理 ](https://github.com/crossoverJie/Java-Interview/blob/master/MD/ReentrantLock.md)
- [ConcurrentHashMap 的实现原理](https://github.com/crossoverJie/Java-Interview/blob/master/MD/ConcurrentHashMap.md)
- [线程池原理](https://github.com/crossoverJie/Java-Interview/blob/master/MD/ThreadPoolExecutor.md)
- [线程间通信](https://github.com/crossoverJie/Java-Interview/blob/master/src/main/java/com/crossoverjie/actual/ThreadCommunication.java)
- [交替打印奇偶数](https://github.com/crossoverJie/Java-Interview/blob/master/src/main/java/com/crossoverjie/actual/TwoThread.java)

### JMM(Java 内存模型)
- [Java 运行时内存划分](https://github.com/crossoverJie/Java-Interview/blob/master/MD/MemoryAllocation.md)
-  [类加载机制](https://github.com/crossoverJie/Java-Interview/blob/master/MD/ClassLoad.md)
-  [OOM 分析](https://github.com/crossoverJie/Java-Interview/blob/master/MD/OOM-analysis.md)
- [垃圾回收](https://github.com/crossoverJie/Java-Interview/blob/master/MD/GarbageCollection.md)
- [对象的创建与内存分配](https://github.com/crossoverJie/Java-Interview/blob/master/MD/newObject.md)
- [你应该知道的 volatile 关键字](https://github.com/crossoverJie/Java-Interview/blob/master/MD/concurrent/volatile.md)

### 常用框架

- Spring IOC 的实现原理
- [Spring AOP 的实现原理](https://github.com/crossoverJie/Java-Interview/blob/master/MD/SpringAOP.md) 

### SpringBoot
- SpringBoot 启动过程

### Tomcat
- Tomcat 类加载机制

### 架构设计
- [秒杀系统设计](https://github.com/crossoverJie/Java-Interview/blob/master/MD/Spike.md)
- [分布式缓存设计](https://github.com/crossoverJie/Java-Interview/blob/master/MD/Cache-design.md)
- [分布式 ID 生成器](https://github.com/crossoverJie/Java-Interview/blob/master/MD/ID-generator.md)

### DB 相关

- [MySQL 索引原理](https://github.com/crossoverJie/Java-Interview/blob/master/MD/MySQL-Index.md)
- [SQL 优化](https://github.com/crossoverJie/Java-Interview/blob/master/MD/SQL-optimization.md)
- [数据库水平垂直拆分](https://github.com/crossoverJie/Java-Interview/blob/master/MD/DB-split.md)

### 数据结构与算法
- [红包算法](https://github.com/crossoverJie/Java-Interview/blob/master/src/main/java/com/crossoverjie/red/RedPacket.java)
- [二叉树中序遍历](https://github.com/crossoverJie/Java-Interview/blob/master/src/main/java/com/crossoverjie/algorithm/BinaryNode.java#L76-L101)
- [是否为快乐数字](https://github.com/crossoverJie/Java-Interview/blob/master/src/main/java/com/crossoverjie/algorithm/HappyNum.java#L38-L55)
- [链表是否有环](https://github.com/crossoverJie/Java-Interview/blob/master/src/main/java/com/crossoverjie/algorithm/LinkLoop.java#L32-L59)
- [从一个数组中返回两个值相加等于目标值的下标](https://github.com/crossoverJie/Java-Interview/blob/master/src/main/java/com/crossoverjie/algorithm/TwoSum.java#L38-L59)
- [一致 Hash 算法](https://github.com/crossoverJie/Java-Interview/blob/master/MD/Consistent-Hash.md)
- [限流算法](https://github.com/crossoverJie/Java-Interview/blob/master/MD/Limiting.md)
- [三种方式反向打印单向链表](https://github.com/crossoverJie/Java-Interview/blob/master/src/main/java/com/crossoverjie/algorithm/ReverseNode.java)
- [合并两个排好序的链表](https://github.com/crossoverJie/Java-Interview/blob/master/src/main/java/com/crossoverjie/algorithm/MergeTwoSortedLists.java)
- [两个栈实现队列](https://github.com/crossoverJie/Java-Interview/blob/master/src/main/java/com/crossoverjie/algorithm/TwoStackQueue.java)

### 附加技能

- [TCP/IP 协议](https://github.com/crossoverJie/Java-Interview/blob/master/MD/TCP%3AIP.md)


### 联系作者

> crossoverJie#gmail.com

![](https://ws4.sinaimg.cn/large/006tKfTcly1fochm4as0sj30by0bydgh.jpg)