Java Technology Stack (2020)

Java basics

J2SE
- Grammar basis
- set
  - Collection
    - List
      - ArrayList
      - LinkedList
    - Queue
      - PriorityQueue
      - ArrayDeque
    - Set
      - HashSet
      - TreeSet
  - Map
    - HashMap
    - TreeMap
- Reflection and class loading mechanism
- abnormal
- Generic
- annotation
- Serialization
- proxy
- I / O
- JVM 、 JMM
- Multithreading
- network programming
- Log
J2EE
- JDBC(Java Database Connectivity)
- JNDI(Java Name and Directory Interface)
- EJB(Enterprise JavaBean)
- RMI(Remote Method Invoke)
- Java IDL / CORBA
- JSP(Java Server Pages)
- Java Servlet
- XML(Extensible Markup Language)
- JMS(Java Message Service)
- JTA (Java Transaction API)
- JTS(Java Transaction Service)
- JavaMail
- JAF(JavaBeans Activation Framework)
Java new features
- JDK8
  - Lambda
  - Stream
- Java 9
  - Jigsaw: Java-based Http server
  - Jshell: Interactive programming environment
  - Reactive Streams: Asynchronous programming
- Java 10
  - Local variable type inference
  - Parallel Full GC of G1
  - ThreadLocal handshake mechanism
- Java 11
  - ZGC
  - Epsilon: garbage collector
  - Enhance var

front end

HTML
CSS
JavaScript
- JUDGMENT
- Ajax
jQuery
BootStrap
View

Framework/middleware/tools/environment

Spring family bucket
- Spring Framework
- Spring MVC
  - Thymeleaf
- SpringBoot
- Spring Security
- Spring Cloud
ORM framework
- MyBatis
- Hibernate
- JPA
Test framework
- JUnit
- TestNG
- Nockito
Linux
- Common commands
- Shell script
application server
- Tomcat
- WebSphere
- Jetty
- Nginx: reverse proxy server
- Undertow
Project management tools
- Maven
- Gradle
Version control tool
- SVN
- Git
- Gitlib: Build a self-hosted Git project warehouse
Service discovery/service governance
- ZooKeeper
- Eureka
- Consul
RPC framework
- Dubbo
- gRPC
- Thrift
Configuration Center
- Config
- Apollo
- Nacos
Task scheduling
- Quartz
- Elastic-Job
message queue
- RabbitMQ
- RocketMQ
- Kafka
Security (authentication and authentication)
- Shiro
- Spring Security
- OAuth2
- sso
  - cookie-redis to achieve single sign-on
  - Cross-domain solution
  - CAS single sign-on configuration
Search/full text search
- ElasticSearch: search engine
- Solr: search engine
- Lecene: Full-text search
Network framework
- Netty: Asynchronous network framework
- WebSocket: network communication protocol to realize push from server to client
Gateway
- Zuul
- Gateway
Load balancing
- Ribbon
- Feign
Fuse/degrade
- Hystrix
Link tracking and monitoring
- Zipkin
- Sleuth
- Skywalking: Distributed link tracking tool
- Activiti: BPM (Business Process Management) engine
Log analysis and monitoring: ELK
- Logstash
- Kibana
- sonar: code quality check
CDN acceleration
Continuous integration/continuous deployment (CI/CD)
- Jenkins
Virtualization technology
- Docker
- Governors
- Swarm
WeChat development: official account, mini program
- Payment: WeChat, Alipay
Distributed storage
- FastDFS
- Alibaba Cloud OSS
Distributed transaction
- JTA interface: Atomikos component
- 2PC、3PC
- XA mode
- TCC mode
  - tcc-transaction
  - ByteTCC
  - EasyTransaction
  - Seat
- SAGA mode
  - ServiceComb
  - Seat
- LCN mode: tx-lcn
Distributed system design
- Quartz, a preemptive distributed timer based on database locks
- Database-based
- Cache-based
- Based on zookeeper
- Consensus theory
- Distributed transaction solution
- Consistency model
- CAP theorem
- BASE theory
- Strong consistency
- Weak consistency
- Final consistency
- eBay Event Queue Solution
- TCC (Try-Confirm-Cancel) compensation mode
- Eventual consistency of cached data
- Strong consistency (two-stage submission and three-stage submission model, Paxos or Raft algorithm)
- Final consistency
- SOA
- Microservice
- Servless
- Distributed system architecture design
- Distributed transaction
- Distributed lock
- Distributed timer

database

sql
- MySQL
- Oracle
- SQL optimization
- Database modeling/sub-database sub-table
  - MyCat
  - Sharding-JDBC
  - Sharding-Sphere
nosql
- Redis
- MemCache
- MongoDB
Cache mechanism of ORM framework

Computer Basics

Data Structures and Algorithms
computer network
operating system
Principles of Computer Organization
Software engineering
- UML design
Assembly language

Big Data

Java advanced (virtual machine, concurrency)
Linux basic operation
Hadoop (the chivalrous concept here refers to HDFS+MapReduce+Yarn)
HBase（JavaAPI操作+Phoenix ）
Hive (Hql basic operation and principle understanding)
Kafka
Storm
Scala needs
Python
Spark (Core+sparksql+Spark streaming ）
Machine learning algorithm and mahout library plus MLlib
R language
Lambda architecture
Kappa architecture
Kylin
Aluxio

Java Technology Stack (2020) [Hex Note]

Java Technology Stack (2020)

Java basics

front end

Framework/middleware/tools/environment

database

Computer Basics

Big Data

reference

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