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> `Java Core Sprout`:处于萌芽阶段的 Java 核心知识库。
**访问这里获取更好的阅读体验**:[https://crossoverjie.top/JCSprout/](https://crossoverjie.top/JCSprout/)
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| 📊 |⚔️ | 🖥 | 🚏 | 🏖 | 🌁| 📮 | 🔍 | 🚀 | 🌈 |💡
| :--------: | :---------: | :---------: | :---------: | :---------: | :---------:| :---------: | :-------: | :-------:| :------:|:------:|
| [集合](#常用集合) | [多线程](#java-多线程)|[JVM](#jvm) | [分布式](#分布式相关) |[框架](#常用框架第三方组件)|[架构设计](#架构设计)| [数据库](#db-相关) |[算法](#数据结构与算法)|[Netty](#netty-相关)| [附加技能](#附加技能)|[联系作者](#联系作者) |
### 常用集合
- [ArrayList/Vector](https://github.com/crossoverJie/JCSprout/blob/master/MD/ArrayList.md)
- [LinkedList](https://github.com/crossoverJie/JCSprout/blob/master/MD/LinkedList.md)
- [HashMap](https://github.com/crossoverJie/JCSprout/blob/master/MD/HashMap.md)
- [HashSet](https://github.com/crossoverJie/JCSprout/blob/master/MD/collection/HashSet.md)
- [LinkedHashMap](https://github.com/crossoverJie/JCSprout/blob/master/MD/collection/LinkedHashMap.md)
### Java 多线程
- [多线程中的常见问题](https://github.com/crossoverJie/JCSprout/blob/master/MD/Thread-common-problem.md)
- [synchronized 关键字原理](https://github.com/crossoverJie/JCSprout/blob/master/MD/Synchronize.md)
- [多线程的三大核心](https://github.com/crossoverJie/JCSprout/blob/master/MD/Threadcore.md)
- [对锁的一些认知](https://github.com/crossoverJie/JCSprout/blob/master/MD/Java-lock.md)
- [ReentrantLock 实现原理 ](https://github.com/crossoverJie/JCSprout/blob/master/MD/ReentrantLock.md)
- [ConcurrentHashMap 的实现原理](https://github.com/crossoverJie/JCSprout/blob/master/MD/ConcurrentHashMap.md)
- [如何优雅的使用和理解线程池](https://github.com/crossoverJie/JCSprout/blob/master/MD/ThreadPoolExecutor.md)
- [深入理解线程通信](https://github.com/crossoverJie/JCSprout/blob/master/MD/concurrent/thread-communication.md)
- [一个线程罢工的诡异事件](docs/thread/thread-gone.md)
- [线程池中你不容错过的一些细节](docs/thread/thread-gone2.md)
- [『并发包入坑指北』之阻塞队列](docs/thread/ArrayBlockingQueue.md)
### JVM
- [Java 运行时内存划分](https://github.com/crossoverJie/JCSprout/blob/master/MD/MemoryAllocation.md)
- [类加载机制](https://github.com/crossoverJie/JCSprout/blob/master/MD/ClassLoad.md)
- [OOM 分析](https://github.com/crossoverJie/JCSprout/blob/master/MD/OOM-analysis.md)
- [垃圾回收](https://github.com/crossoverJie/JCSprout/blob/master/MD/GarbageCollection.md)
- [对象的创建与内存分配](https://github.com/crossoverJie/JCSprout/blob/master/MD/newObject.md)
- [你应该知道的 volatile 关键字](https://github.com/crossoverJie/JCSprout/blob/master/MD/concurrent/volatile.md)
- [一次内存溢出排查优化实战](https://crossoverjie.top/2018/08/29/java-senior/OOM-Disruptor/)
- [一次 HashSet 所引起的并发问题](docs/jvm/JVM-concurrent-HashSet-problem.md)
- [一次生产 CPU 100% 排查优化实践](docs/jvm/cpu-percent-100.md)
### 分布式相关
- [分布式限流](http://crossoverjie.top/2018/04/28/sbc/sbc7-Distributed-Limit/)
- [基于 Redis 的分布式锁](http://crossoverjie.top/2018/03/29/distributed-lock/distributed-lock-redis/)
- [分布式缓存设计](https://github.com/crossoverJie/JCSprout/blob/master/MD/Cache-design.md)
- [分布式 ID 生成器](https://github.com/crossoverJie/JCSprout/blob/master/MD/ID-generator.md)
### 常用框架\第三方组件
- [Spring Bean 生命周期](https://github.com/crossoverJie/JCSprout/blob/master/MD/spring/spring-bean-lifecycle.md)
- [Spring AOP 的实现原理](https://github.com/crossoverJie/JCSprout/blob/master/MD/SpringAOP.md)
- [Guava 源码分析(Cache 原理)](https://crossoverjie.top/2018/06/13/guava/guava-cache/)
- [轻量级 HTTP 框架](https://github.com/crossoverJie/cicada)
- [Kafka produce 源码分析](https://github.com/crossoverJie/JCSprout/blob/master/MD/kafka/kafka-product.md)
- [Kafka 消费实践](https://github.com/crossoverJie/JCSprout/blob/master/docs/frame/kafka-consumer.md)
### 架构设计
- [秒杀系统设计](https://github.com/crossoverJie/JCSprout/blob/master/MD/Spike.md)
- [秒杀架构实践](http://crossoverjie.top/2018/05/07/ssm/SSM18-seconds-kill/)
- [设计一个百万级的消息推送系统](https://github.com/crossoverJie/JCSprout/blob/master/MD/architecture-design/million-sms-push.md)
### DB 相关
- [MySQL 索引原理](https://github.com/crossoverJie/JCSprout/blob/master/MD/MySQL-Index.md)
- [SQL 优化](https://github.com/crossoverJie/JCSprout/blob/master/MD/SQL-optimization.md)
- [数据库水平垂直拆分](https://github.com/crossoverJie/JCSprout/blob/master/MD/DB-split.md)
- [一次分表踩坑实践的探讨](docs/db/sharding-db.md)
### 数据结构与算法
- [红包算法](https://github.com/crossoverJie/JCSprout/blob/master/src/main/java/com/crossoverjie/red/RedPacket.java)
- [二叉树层序遍历](https://github.com/crossoverJie/JCSprout/blob/master/src/main/java/com/crossoverjie/algorithm/BinaryNode.java#L76-L101)
- [是否为快乐数字](https://github.com/crossoverJie/JCSprout/blob/master/src/main/java/com/crossoverjie/algorithm/HappyNum.java#L38-L55)
- [链表是否有环](https://github.com/crossoverJie/JCSprout/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/JCSprout/blob/master/src/main/java/com/crossoverjie/algorithm/TwoSum.java#L38-L59)
- [一致性 Hash 算法原理](https://github.com/crossoverJie/JCSprout/blob/master/MD/Consistent-Hash.md)
- [一致性 Hash 算法实践](https://github.com/crossoverJie/JCSprout/blob/master/docs/algorithm/consistent-hash-implement.md)
- [限流算法](https://github.com/crossoverJie/JCSprout/blob/master/MD/Limiting.md)
- [三种方式反向打印单向链表](https://github.com/crossoverJie/JCSprout/blob/master/src/main/java/com/crossoverjie/algorithm/ReverseNode.java)
- [合并两个排好序的链表](https://github.com/crossoverJie/JCSprout/blob/master/src/main/java/com/crossoverjie/algorithm/MergeTwoSortedLists.java)
- [两个栈实现队列](https://github.com/crossoverJie/JCSprout/blob/master/src/main/java/com/crossoverjie/algorithm/TwoStackQueue.java)
- [动手实现一个 LRU cache](http://crossoverjie.top/2018/04/07/algorithm/LRU-cache/)
- [链表排序](./src/main/java/com/crossoverjie/algorithm/LinkedListMergeSort.java)
- [数组右移 k 次](./src/main/java/com/crossoverjie/algorithm/ArrayKShift.java)
- [交替打印奇偶数](https://github.com/crossoverJie/JCSprout/blob/master/src/main/java/com/crossoverjie/actual/TwoThread.java)
- [亿级数据中判断数据是否不存在](https://github.com/crossoverJie/JCSprout/blob/master/docs/algorithm/guava-bloom-filter.md)
### Netty 相关
- [SpringBoot 整合长连接心跳机制](https://crossoverjie.top/2018/05/24/netty/Netty(1)TCP-Heartbeat/)
- [从线程模型的角度看 Netty 为什么是高性能的?](https://crossoverjie.top/2018/07/04/netty/Netty(2)Thread-model/)
- [为自己搭建一个分布式 IM(即时通讯) 系统](https://github.com/crossoverJie/cim)
### 附加技能
- [TCP/IP 协议](https://github.com/crossoverJie/JCSprout/blob/master/MD/TCP-IP.md)
- [
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Java Core Sprout:基础、并发、算法
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Java Core Sprout:一个萌芽阶段的Java核心知识库。 访问这里获得更好的阅读体验:https://crossoverjie.top/JCSprout/ 常用集合 数组列表/向量 链表 哈希映射 哈希集 链接哈希映射 Java多线程 多线程中的常见问题 同步关键字原理 多线程的三大核心 对锁的一些认知 ReentrantLock实现原理 ConcurrentHashMap 的实现原理 如何优雅地使用和理解线程池 深入理解线程通信 一个线程召集的诡异事件 线程池中你不可错过的一些细节 『ARM包入坑指北』之队列
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Java Core Sprout:基础、并发、算法 (224个子文件)
java_pid26365.hprof 15.06MB
index.html 1KB
ISSUE_TEMPLATE 258B
CustomThreadPool.java 10KB
LRUAbstractMap.java 8KB
ThreadCommunication.java 6KB
ArrayQueueTest.java 5KB
LinkedListMergeSortTest.java 4KB
LRUMap.java 4KB
Search.java 4KB
LinkedListMergeSort.java 4KB
KafkaTest.java 4KB
RedPacket.java 4KB
BloomFilters.java 4KB
LRUMapTest.java 3KB
BinaryNodeTravel.java 3KB
LongEventMain.java 3KB
ReadFile.java 3KB
CacheLoaderTest.java 3KB
TwoThreadWaitNotify.java 3KB
TwoThreadWaitNotifySimple.java 3KB
MergeTwoSortedListsTest.java 3KB
BinaryNode.java 2KB
ReferenceTest.java 2KB
TwoThread.java 2KB
ArrayQueue.java 2KB
MergeTwoSortedLists.java 2KB
FourThreadPrinter.java 2KB
BloomFiltersTest.java 2KB
ThreadExceptionTest.java 2KB
ReverseNode.java 2KB
CustomThreadPoolFutureTest.java 2KB
ArrayKShift.java 2KB
CustomThreadPoolTest.java 2KB
LRULinkedMapTest.java 2KB
CollectionsTest.java 2KB
ReverseNodeTest.java 2KB
Caller.java 2KB
ThreadState.java 2KB
CustomThreadPoolExeceptionTest.java 2KB
CommandUser.java 2KB
MultipleThreadCountDownKit.java 2KB
CommandOrder.java 2KB
TwoSum.java 2KB
HappyNum.java 2KB
LinkLoop.java 1KB
MultipleThreadCountDownKitTest.java 1KB
LinkLoopTest.java 1KB
TwoThreadNonBlocking.java 1KB
SpringLifeCycleProcessor.java 1KB
ThreadPoolTest.java 1KB
TwoStackQueue.java 1KB
HashMapTest.java 1KB
CustomizeHandle.java 1KB
JDKProxyTest.java 1KB
Volatile.java 1KB
RedPacketTest.java 1KB
LRULinkedMap.java 1KB
CommandTest.java 1KB
VolatileInc.java 1KB
StringTest.java 973B
LongEventProducer.java 967B
TwoStackQueueTest.java 955B
SpringLifeCycleService.java 942B
MetaSpaceOOM.java 938B
SpringLifeCycleAware.java 907B
StopThread.java 858B
AbstractMapTest.java 842B
TwoArray.java 836B
FutureTask.java 807B
NotifyAll.java 797B
Main.java 771B
Main.java 761B
RealSubjectIntercept.java 757B
HappyNumTest.java 695B
SpringLifeCycle.java 675B
MsgProcessChain.java 675B
AnnotationBean.java 671B
Notifier.java 653B
MinorGC.java 632B
LongEventHandler.java 609B
Singleton.java 604B
TwoSumTest.java 568B
BinaryNodeTravelTest.java 560B
LifeCycleConfig.java 545B
Application.java 540B
ISubjectImpl.java 503B
Animal.java 426B
SensitiveWordProcess.java 410B
CopyrightProcess.java 404B
TypoProcess.java 401B
HeapOOM.java 390B
LongEvent.java 387B
Main.java 385B
RealSubject.java 376B
SuperClass.java 364B
BinaryNodeTest.java 344B
Synchronize.java 337B
LongEventFactory.java 334B
Fish.java 305B
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