Most popular java repositories and open source projects

Java was originally developed as an alternative to the C/C++ programming languages. It is now mainly used for building desktop, Android, and web server applications. Java is owned and licensed through Oracle.

CS-Notes

:books: 技术面试必备基础知识、Leetcode、计算机操作系统、计算机网络、系...

48541   154718   154718  

JavaGuide

「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。...

41346   121968   121968  

java-design-patterns

Design patterns implemented in Java

23386   75248   75248  

advanced-java

😮 Core Interview Questions & Answers For Experienced Java(Backend) Dev...

17169   63657   63657  

spring-boot

Spring Boot

36504   61509   61509  

elasticsearch

Free and Open, Distributed, RESTful Search Engine

21810   59830   59830  

mall

mall项目是一套电商系统，包括前台商城系统及后台管理系统，基于SpringBoot...

24839   58670   58670  

interviews

Everything you need to know to get the job.

12232   57844   57844  

leetcode

LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode...

9104   48796   48796  

Java

All Algorithms implemented in Java

15396   46995   46995  

RxJava

RxJava – Reactive Extensions for the JVM – a library for composing asy...

7615   46111   46111  

guava

Google core libraries for Java

9978   44757   44757  

okhttp

Square’s meticulous HTTP client for the JVM, Android, and GraalVM.

8860   42258   42258  

retrofit

A type-safe HTTP client for Android and the JVM

7132   40043   40043  

MPAndroidChart

A powerful 🚀 Android chart view / graph view library, supporting line-...

8783   35395   35395  

spark

Apache Spark - A unified analytics engine for large-scale data process...

25664   33031   33031  

JavaFamily

【Java面试+Java学习指南】 一份涵盖大部分Java程序员所需要掌握的核心知识...

7116   30815   30815  

jadx

Dex to Java decompiler

3826   30354   30354  

jeecg-boot

「企业级低代码平台」前后端分离架构SpringBoot 2.x，SpringCloud，Ant Des...

12009   30203   30203  

leetcode-master

《代码随想录》LeetCode 刷题攻略：200道经典题目刷题顺序，共60w字的详细...

7616   29821   29821  

arthas

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

6519   29755   29755  

zxing

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

9232   29648   29648  

dubbo

Apache Dubbo is a high-performance, java based, open source RPC framew...

18299   27799   27799  

leakcanary

A memory leak detection library for Android.

3888   27563   27563  

spring-boot-examples

about learning Spring Boot via examples. Spring Boot 教程、技术栈示例...

11926   27540   27540  

dbeaver

Free universal database tool and SQL client

2543   27515   27515  

JCSprout

👨‍🎓 Java Core Sprout : basic, concurrent, algorithm

7140   26749   26749  

spring-boot-demo

该项目已成功集成 actuator(监控)、admin(可视化监控)、logback(日志)、aop...

9283   26256   26256  

fastjson

A fast JSON parser/generator for Java.

6501   24848   24848  

selenium

A browser automation framework and ecosystem.

6976   23808   23808  

easyexcel

快速、简洁、解决大文件内存溢出的java处理Excel工具

6383   23694   23694  

hutool

🍬A set of tools that keep Java sweet.

6569   23503   23503  

toBeTopJavaer

To Be Top Javaer - Java工程师成神之路

5149   22814   22814  

spring-cloud-alibaba

Spring Cloud Alibaba provides a one-stop solution for application deve...

6977   22507   22507  

xxl-job

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

9152   21612   21612  

NativeScript

⚡ Empowering JavaScript with native platform APIs. ✨ Best of all world...

1585   21451   21451  

ray

An open source framework that provides a simple, universal API for bui...

3734   21369   21369  

libgdx

Desktop/Android/HTML5/iOS Java game development framework

6324   20269   20269  

generator-jhipster

JHipster is a development platform to quickly generate, develop, & dep...

3854   19793   19793  

IntelliJ-IDEA-Tutorial

IntelliJ IDEA 简体中文专题教程

7331   19683   19683  

flink

Apache Flink

11041   19477   19477  

ExoPlayer

An extensible media player for Android

5667   19373   19373  

Sentinel

A powerful flow control component enabling reliability, resilience and...

6913   19195   19195  

redisson

Redisson - Redis Java client with features of In-Memory Data Grid. Ove...

4672   19113   19113  

jenkins

Jenkins automation server

7449   18969   18969  

appsmith

Low code project to build admin panels, internal tools, and dashboards...

1509   18638   18638  

flatbuffers

FlatBuffers: Memory Efficient Serialization Library

2866   18399   18399  

mybatis-3

MyBatis SQL mapper framework for Java

11636   17261   17261  

CNTK

Microsoft Cognitive Toolkit (CNTK), an open source deep-learning toolk...

4379   17185   17185  

graal

GraalVM: Run Programs Faster Anywhere :rocket:

1370   17093   17093