The annual Java learning advanced masterpiece, a treasure article for Java programmers! I have a collection of Java advanced intermediate and advanced knowledge points you want!

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ArrayList core source code analysis, classic Demo

Thread Pool

Executor framework, ThreadPoolExecutor class

Optimistic and pessimistic locking

What are pessimistic locks and optimistic locks? CAS algorithm

Atomic

Atomic atomic class, basic type atomic class, array type atomic class, reference type atomic class

AQS

AQS principle, what is Semaphore (semaphore), CountDownLatch (countdown timer), CyclicBarrier (cyclic fence)?

JVM

What are the Java memory areas? Exploring HotSpot Virtual Machine Objects!

Uncover the mystery of JVM memory allocation and recovery, the object is dead? How to deal with it? , Talk about the garbage collection algorithms & garbage collectors!

JDK monitoring and troubleshooting tools

Detailed explanation of JDK command line tools! , How to use the JDK visual analysis tool!

Class file structure

Overview, Class file structure summary

Class loading process

Loading -> Connection -> Initialization & Verification -> Preparation -> Analysis

Class loader

Parent delegation model to realize source code analysis. Custom class loader!

TLS in HTTPS

Understanding HTTPS [TLS workflow, public key cryptography] and TLS summary from the perspective of cryptography

Start with understanding the Linux operating system

What is an operating system? Classification, kernel, user mode and kernel mode

An overview of Linux&Linux file system

What is Inode&Linux directory tree

Linux basic commands

Switch, add, delete, modify, search, compressed files, permission commands, user management, and other common commands

data structure

Bloom filter [principle introduction, usage scenarios, how to achieve], Bloom filter in Redis

MySQL

The most complete collection of database commands in the entire network!

Redis

Introduction, basic data structure, jump table [Introduction, realization]

Distributed lock [introduction, implementation], Redlock distributed lock, HyperLoglog [introduction, principle, implementation, use]

Billion-level data filtering and Bloom filter [code implementation, Guava], GeoHash to find nearby people [a brief description of the algorithm, how to obtain], persistence [introduction, how to ensure security]

Publish and Subscribe and Stream【PubSub{Introduction, Command}&Stream | Persistent Publish/Subscribe System】

Cluster [Overview {master-slave replication, sentinel, clustering}, data partition scheme, node communication mechanism, data structure analysis]

[Data type, coding, underlying data structure], coding and data structure of 5 data types, memory recycling and sharing

system design

RestFul API[Concept, rest interface specification, hateoas]

Common framework

Spring [Framework, Module, IOC&AOP], Spring Bean, Spring MVC, design pattern, Spring transaction, JPA

Spring common annotations, Spring Bean, JPA, json

Transaction {characteristics (ACID)}, transaction management & interface & attributes, @Transactional annotation usage details

Detailed explanation of Spring IOC and AOP

The scope and life cycle of Bean in Spring

Detailed explanation of SpringMVC working principle

What design patterns are used in Spring?

certified

Token authentication

SSO design and implementation

distributed

Classical basic theories, transactions, storage, computing & consensus protocols/algorithms of distributed systems

Dubbo

Concept, Dubbo architecture & load balancing

message queue

Why use message queues, comparison of common message queues, which one is better to use JMS or AMQP?

RabbitMQ

The core concepts, erlang&RabbitMQ installation commands are fully explained

Talking about the asynchronous, decoupling, peak cutting & queue mode and the topic mode? how to use?

Kafka

What is Kafka? Design and implementation of Kafka! By the way, teach you how to build Kafka!

API gateway

What is an API gateway and how to design a unified gateway?

Distributed ID

Database multi-master mode, number segment mode, snowflake algorithm

4 current limiting algorithms

Fixed window counter algorithm, sliding window counter algorithm, leaky bucket algorithm, token bucket algorithm

Zookeeper

Learn the basic concepts of Zookeeper from 7 aspects

How to design a highly available system?

More than ten ways to design a highly available system!

Spring Cloud

Eureka, Ribbon for load balancing, Open Feign

Hystrix、Zuul

Two must-have tools

Git

Docker

Java learning route and method recommendation

What to learn from basic to in-depth? How to learn!

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