Java

There are 132,556 repositories under java topic.

• CyC2018 / 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、系统设计

  algorithmleetcodeinterviewcomputer-sciencesystem-designjavapythoncpp
  162652

• Snailclimb / 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。准备 Java 面试，首选 JavaGuide！

  javajvminterviewredisspringmysqlzookeeperalgorithmssystemsystem-design
  Language:Java 132090

• iluwatar / java-design-patterns

  Design patterns implemented in Java

  javaprinciplesdesign-patternsawesome-listsnippetssnippets-collectionsnippets-libraryhacktoberfest
  Language:Java 80369
• advanced-java

  doocs / advanced-java

  😮 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

  javadistributed-systemsmessage-queueredisdistributed-search-enginehigh-availabilityhigh-concurrencydubbozookeeperrpcelasticsearchhystrixspring-cloudmicroservices-architectureribbonfeigneurekaspringcloud-configdoocsadvanced-java
  Language:Java 69190

• spring-projects / spring-boot

  Spring Boot

  javaspring-bootspringframework
  Language:Java 66180

• macrozheng / 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+MyBatis实现，采用Docker容器化部署。 前台商城系统包含首页门户、商品推荐、商品搜索、商品展示、购物车、订单流程、会员中心、客户服务、帮助中心等模块。 后台管理系统包含商品管理、订单管理、会员管理、促销管理、运营管理、内容管理、统计报表、财务管理、权限管理、设置等模块。

  spring-bootspring-securitymybatisdockerswagger-uimysqlrediselasticsearchmongodbelkspringrabbitmqspring-cloudjavaspringcloudspringboot
  Language:Java 64277

• elastic / elasticsearch

  Free and Open, Distributed, RESTful Search Engine

  elasticsearchjavasearch-engine
  Language:Java 63083

• kdn251 / interviews

  Everything you need to know to get the job.

  javainterviewinterview-questionsinterview-practiceinterview-preparationinterview-prepalgorithmalgorithm-challengesalgorithmsalgorithm-competitionstechnical-coding-interviewleetcodeleetcode-solutionsleetcode-javacoding-interviewscoding-interviewcoding-challengecoding-challengesleetcode-questionsinterviews
  Language:Java 59386

• TheAlgorithms / Java

  All Algorithms implemented in Java

  javaalgorithmsalgorithms-datastructuresalgorithm-challengessorting-algorithmssearchsorthacktoberfestalgorithmdata-structures
  Language:Java 50787
• leetcode

  azl397985856 / leetcode

  推荐刷题网站：https://www.lintcode.com/?utm_source=tf-github-lucifer2022 LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。)

  algorithmleetcodeinterviewcomputer-sciencecppjavascriptpythonjavadata-structurestreeleetcode-solutionsalgorithmsalgoalgorithms-datastructures
  Language:JavaScript 50786

• google / guava

  Google core libraries for Java

  guavajava
  Language:Java 47010

• ReactiveX / RxJava

  RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

  flowjavareactive-streamsrxjava
  Language:Java 46868

• square / okhttp

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

  javaandroidkotlingraalvm
  Language:Kotlin 43706

• square / retrofit

  A type-safe HTTP client for Android and the JVM

  androidjava
  Language:Java 41288

• apache / dubbo

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

  dubbodistributed-systemsframeworkjavamicroservicesrestfulrpc
  Language:Java 38586

• youngyangyang04 / leetcode-master

  《代码随想录》LeetCode 刷题攻略：200道经典题目刷题顺序，共60w字的详细图解，视频难点剖析，50余张思维导图，支持C++，Java，Python，Go，JavaScript等多语言版本，从此算法学习不再迷茫！🔥🔥 来看看，你会发现相见恨晚！🚀

  leetcodeprogrammerinterviewofferalgorithmcppjavapythongojavascript
  Language:Shell 36708

• PhilJay / MPAndroidChart

  A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

  javachartgraphandroidmpandroidchart
  Language:Java 36248

• apache / spark

  Apache Spark - A unified analytics engine for large-scale data processing

  pythonscalarjavabig-datajdbcsqlspark
  Language:Scala 35272

• jeecgboot / jeecg-boot

  ⭐️「企业级低代码平台」前后端分离架构SpringBoot 2.x，SpringCloud，Ant Design&Vue，Mybatis，Shiro，JWT。强大的代码生成器让前后端代码一键生成，无需写任何代码! 引领新的开发模式OnlineCoding->代码生成->手工MERGE，帮助Java项目解决70%重复工作，让开发更关注业务，既能快速提高效率，帮助公司节省成本，同时又不失灵活性。

  spring-bootant-designmybatisvueant-design-vueshiroantdjbpmactiviticodegeneratorspringcloudjeecgbootjeecgspringbootlow-codespringspring-cloudjavavue3vben
  Language:Java 33927
• jadx

  skylot / jadx

  Dex to Java decompiler

  androiddexjavadecompiler
  Language:Java 33802

• AobingJava / 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。

  javajava8redismysqljvminterviewzookeeperrocketmqsystem
  33370

• alibaba / arthas

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

  agentalibabaarthasclassloaderdiagnosisjavajvmtracetrouble-shooting
  Language:Java 31975
• dbeaver

  dbeaver / dbeaver

  Free universal database tool and SQL client

  sqldatabasedbeaverguimysqlpostgresqldb2sqliteerdjavaoraclenosqlsqlserverredshift
  Language:Java 31118
• zxing

  zxing / zxing

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

  javaandroidbarcodebarcode-scannerzxingqr-codedatamatrixupc
  Language:Java 30796
• spring-boot-demo

  xkcoding / spring-boot-demo

  🚀一个用来深入学习并实战 Spring Boot 的项目。

  javain-actiondemowebspringspring-bootspring-boot-2spring-boot-demoxkcoding
  Language:Java 29023

• ityouknow / spring-boot-examples

  about learning Spring Boot via examples. Spring Boot 教程、技术栈示例代码，快速简单上手教程。

  spring-bootspring-data-jpamybatisthymeleafrabbitmqmongodbspring-boot-mongodbschedulerspring-boot-mailspring-boot-examplesspring-boot-upload-filefastdfsjavadockerdocker-composerspringspringboot-shirospringbootspringcloudspring-cloud
  Language:Java 28679
• leakcanary

  square / leakcanary

  A memory leak detection library for Android.

  androidmemory-leakjavakotlinkotlin-androidoutofmemoryoutofmemoryerrorleakcanaryleak-canaryleak-trace
  Language:Kotlin 28313

• alibaba / easyexcel

  快速、简洁、解决大文件内存溢出的java处理Excel工具

  excelpoijxlxlsxlsxjavaoom
  Language:Java 27160
• WxJava

  Wechat-Group / WxJava

  微信开发 Java SDK ，支持包括微信支付，开放平台，小程序，企业微信，公众号等的后端开发

  weixinwechatweixin-sdkwechat-sdkjavasdkcpmpwxpaywxjavaminiappminiprogramopenweapphacktoberfest
  Language:Java 27038

• crossoverJie / JCSprout

  👨‍🎓 Java Core Sprout : basic, concurrent, algorithm

  algorithmbasic-javaconcurrent-programmingjavajvmnetty
  Language:Java 26950
• selenium

  SeleniumHQ / selenium

  A browser automation framework and ecosystem.

  seleniumwebdriverjavarubypythonjavascriptdotnet
  Language:Java 26082
• hutool

  dromara / hutool

  🍬A set of tools that keep Java sweet.

  javahutoolhttpjsonormutiltool
  Language:Java 25719
• appsmith

  appsmithorg / appsmith

  Low code project to build admin panels, internal tools, and dashboards. Integrates with 15+ databases and any API.

  low-codeadmin-dashboardapp-builderinternal-toolscustom-internaljavajavascripttypescriptreactadmin-panelsworkflowscrudself-hostedautomationdeveloper-toolslow-code-frameworkguigui-applicationwebdevelopmenthacktoberfest
  Language:TypeScript 25664

• alibaba / fastjson

  FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.

  fastjsonjavaandroidjsonjson-parserjson-serializationjson-serializerserializationdeserializationbest-performance
  Language:Java 25205

• alibaba / spring-cloud-alibaba

  Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.

  spring-cloudjavaspringmicroservicescloud-nativespring-cloud-corealibaba-ossalibabadubborocketmqnacosaliyunservice-discoveryservice-registrydistributed-configurationdistributed-messagingdistributed-transactioncircuit-breakeralibaba-middlewarespring-cloud-alibaba
  Language:Java 25078

• ray-project / ray

  Ray is a unified framework for scaling AI and Python applications. Ray consists of a core distributed runtime and a toolkit of libraries (Ray AIR) for accelerating ML workloads.

  raydistributedparallelmachine-learningreinforcement-learningdeep-learningpythonrllibhyperparameter-searchoptimizationdata-scienceautomlhyperparameter-optimizationmodel-selectionjavaservingdeploymentpytorchtensorflow
  Language:Python 24664