「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！

😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网 Java 工程师进阶知识完全扫盲：涵盖高并发、分布式、高可用、微服务、海量数据处理等领域知识

Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Everything you need to know to get the job.

All Algorithms implemented in Java

Spring Framework

Google core libraries for Java

Dex to Java decompiler

The java implementation of Apache Dubbo. An RPC and microservice framework.

Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas

Netty project - an event-driven asynchronous network application framework

快速、简洁、解决大文件内存溢出的java处理Excel工具

A browser automation framework and ecosystem.

阿里巴巴 MySQL binlog 增量订阅&消费组件

A distributed task scheduling framework.（分布式任务调度平台XXL-JOB）

🔥 Seata is an easy-to-use, high-performance, open source distributed transaction solution.

Apache Flink

APM, Application Performance Monitoring System

Jenkins automation server

A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)

😱 从源码层面，剖析挖掘互联网行业主流技术的底层实现原理，为广大开发者 “提升技术深度” 提供便利。目前开放 Spring 全家桶，Mybatis、Netty、Dubbo 框架，及 Redis、Tomcat 中间件等

A tool for reverse engineering Android apk files

JDK main-line development https://openjdk.org/projects/jdk

CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。

High Performance Inter-Thread Messaging Library

Tinker is a hot-fix solution library for Android, it supports dex, library and resources update without reinstall apk.

Zipkin is a distributed tracing system

Powerful and flexible library for loading, caching and displaying images on Android.

Modern Java - A Guide to Java 8

🚌 The IK Analysis plugin integrates Lucene IK analyzer into Elasticsearch and OpenSearch, support customized dictionary.