Translated😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | A complete primer on advanced knowledge for internet Java engineers: covering high concurrency, distributed systems, high availability, microservices, massive data processing, and other areas
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TranslatedLatest summary for 2025: technical interview questions from Alibaba, Tencent, Baidu, Meituan, Toutiao and others, along with answers and a compilation of analysis from expert question-setters.
Translated[Java Interviews + Java Study Guide] A collection of the core knowledge that most Java programmers need to master.
Modern and easy to use database GUI & SQL client for MySQL, Postgres, SQLite, SQL Server, ClickHouse, and more. Linux, MacOS, and Windows.
- sql
- windows-app
- mac-app
- linux-app
TranslatedA brand-new Cloud version of ruoyi-vue-pro, with all features optimized and refactored. A back-office management system + user mini program built on Spring Cloud Alibaba + MyBatis Plus + Vue & Element, supporting RBAC dynamic permissions, multi-tenancy, data permissions, workflow, third-party login, payment, SMS, mall, CRM, ERP, MES, IM, AI large models, IoT (Internet of Things), and more. Your ⭐️ Star ⭐️ is the motivation for the author to grow hair!
- dubbo
- springcloud
- springboot
- rocketmq
TranslatedBig Data Beginner's Guide :star:
- hadoop
- hdfs
- yarn
- mapreduce
TranslatedA distributed agile development system architecture based on Spring+SpringMVC+Mybatis, providing a complete set of common microservice modules: centralized permission management (single sign-on), content management, payment center, user management (supporting third-party login), WeChat platform, storage system, configuration center, log analysis, tasks and notifications, etc., supporting service governance, monitoring and tracing, and striving to build a comprehensive J2EE enterprise-level development solution for small and medium-sized enterprises.
- spring
- springmvc
- shiro
- spring-session
Apache ZooKeeper
- zookeeper
- database
- hacktoberfest
- java
TranslatedFocused on big data learning and interviews, the road to becoming a big data god begins. Flink/Spark/Hadoop/Hbase/Hive...
A template for PostgreSQL High Availability with Etcd, Consul, ZooKeeper, or Kubernetes
- postgresql
- high-availability
- etcd
- zookeeper
TranslatedDistributed e-commerce shopping mall based on SOA architecture, with separated front end and back end. Front-end mall: Vue family bucket (Vue full stack). Back-end management system: Dubbo/SSM/Elasticsearch/Redis/MySQL/ActiveMQ/Shiro/Zookeeper, etc.
- soa
- dubbo
- elasticsearch
- ssm
A Ruby gem to load environment variables from `.env`.
- dotenv
- ruby
Kafka Web UI
- kafka
- kubernetes
- docker
- consumer-group
Translated☀️ Nepxion Discovery is a solution for Spring Cloud with blue green, gray, route, limitation, circuit breaker, degrade, isolation, tracing, dye, failover, active (blue-green and gray release, routing, rate limiting, circuit breaking, degradation, isolation, tracing, traffic dyeing, failover, multi-active)
- spring-cloud
- gray-release
- nacos
- apollo
Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape.
- doorkeeper
- oauth
- oauth2-provider
- oauth2-server
TranslatedHow to deploy a PaaS/DevOps (a complete software development and deployment platform) based on K8s (Kubernetes) -- tutorial/learning (hands-on code/architecture design/extensive comments/illustrated operation steps). You will learn to deploy things such as: K8S (Kubernetes), Dashboard, Harbor, Jenkins, local Gitlab, the Apollo framework, Promtheus, Grafana, Spinnaker, etc.
- kubernetes
- paas
- ci
- cd
Translated[Gupao Academy (咕泡学院) hands-on project] - E-commerce platform built on SpringBoot+Dubbo - microservice architecture, online mall, e-commerce, microservices, high concurrency, kafka, Elasticsearch
- kafka
- dubbo
- springboot
- zookeeper
A lightweight dynamic thread pool framework with built-in monitoring and alerting, unified third-party thread pool management, and support for popular configuration centers (Nacos, Apollo, Zookeeper, Consul, and Etcd), extensible via SPI。
- java
- dynamic-threadpool
- spring
- nacos
TranslatedC++ high-performance distributed server framework, webserver, websocket server, custom tcp_server (including logging module, configuration module, thread module, coroutine module, coroutine scheduling module, IO coroutine scheduling module, hook module, socket module, bytearray serialization, http module, TcpServer module, Websocket module, Https module, etc., Smtp email module, MySQL, SQLite3, ORM, Redis, Zookeeper)
- cpp
- distribution
- framework
- high-performance
TranslatedA custom RPC framework implemented by Netty+Kyro+Zookeeper. Includes a detailed implementation process and related tutorials.
🐊 Policy Controller for Kubernetes
- cncf
- opa
- kubernetes
- policy-engine
A fast, lightweight and more productive microservices framework
docker compose files to create a fully working kafka stack
- docker-compose
- docker
- kafka-schema-registry
- kafka
A cloud native Identity & Access Proxy / API (IAP) and Access Control Decision API that authenticates, authorizes, and mutates incoming HTTP(s) requests. Inspired by the BeyondCorp / Zero Trust white paper. Written in Go.