Editing IntelliJ IDEA

{{Short description|Integrated development environment}}
{{Redirect|IntelliJ|the company formerly named IntelliJ Software|JetBrains
}}
{{Primary sources|date=November 2022}}
{{Infobox software
| name = IntelliJ IDEA
| logo = [[File:JetBrains IntelliJ IDEA Product Logo.svg|upright=1]]
| screenshot = [[File:Intellij IDEA 2021.1 Community Edition screenshot.png|250px]]
| caption = IntelliJ IDEA 2021.1 Community Edition
| developer = [[{{#property:P178}}]]
| released = 1.0 / {{Start date and age|2001|01|df=yes}}
| latest release version = {{wikidata|property|references|edit|P348}}
| latest release date = {{wikidata|qualifier|preferred|single|P348|P548=Q2804309|P577}}
| programming language = [[Java (programming language)|Java]], [[Kotlin (programming language)|Kotlin]]
| operating system = [[Windows]], [[macOS]], [[Linux]]
| genre = [[Integrated development environment|Java IDE]]
| license = {{Plainlist|
* Community edition: [[Apache License 2.0]]
* Ultimate edition: [[Trialware]]}}
| website = {{URL|https://www.jetbrains.com/idea/}}
}}

'''IntelliJ IDEA''' ({{IPAc-en|ɪ|n|ˈ|t|ɛ|l|ɪ|dʒ|eɪ|_|aɪ|ˈ|d|iː|ə}}<ref>{{cite web |last1=Jemerov |first1=Dmitry |title=Build Developer Tools On Top of IntelliJ Platform. Webinar |url=https://www.youtube.com/watch?v=vQDzjGzkPFc |website=YouTube, IntelliJ IDEA channel |date=2 August 2013 |access-date=2 May 2024}}</ref>) is an [[integrated development environment]] (IDE) written in [[Java (programming language)|Java]] for developing computer software written in Java, [[Kotlin (programming language)|Kotlin]], [[Apache Groovy|Groovy]], and other [[Java virtual machine|JVM]]-based languages. It is developed by [[JetBrains]] (formerly known as IntelliJ) and is available as an [[Apache 2 License]]d community edition,<ref>{{cite web|url=https://github.com/JetBrains/intellij-community|title=JetBrains/intellij-community|website=GitHub|date=6 December 2022 }}</ref> and in a [[proprietary software|proprietary]] commercial edition. Both can be used for commercial development.<ref>{{cite web|url=http://www.jetbrains.org/display/IJOS/FAQ|title=FAQ - IntelliJ Open-Source Project - Confluence|website=www.jetbrains.org|url-status=dead|archive-url=https://web.archive.org/web/20200123055132/http://www.jetbrains.org/display/IJOS/FAQ|archive-date=2020-01-23}}</ref><ref>{{Cite web|title=Can I use Community Editions of JetBrains IDEs for developing commercial proprietary software?|url=https://sales.jetbrains.com/hc/en-gb/articles/360021922640-Can-I-use-Community-Editions-of-JetBrains-IDEs-for-developing-commercial-proprietary-software-|access-date=29 June 2021|website=[[JetBrains]]}}</ref>

==History==
The first version of IntelliJ IDEA was released in January 2001 and was one of the first available Java IDEs with advanced code navigation and [[code refactoring]] capabilities integrated.<ref name="JetBrains">{{cite web|url=http://www.jetbrains.com/idea/features/refactoring.html|title=IntelliJ IDEA :: Java refactoring plus sophisticated code refactoring for JSP, XML, CSS, HTML, JavaScript|publisher=JetBrains|access-date=2010-12-17|archive-date=2014-01-22|archive-url=https://web.archive.org/web/20140122122549/http://www.jetbrains.com/idea/features/refactoring.html|url-status=dead}}</ref><ref>{{cite web|url=http://martinfowler.com/articles/refactoringRubicon.html|title=Crossing Refactoring's Rubicon|last=Fowler|first=Martin|author-link=Martin Fowler (software engineer)|work=MartinFowler.com}}</ref>

In 2009, JetBrains released the source code for IntelliJ IDEA under the [[open-source software|open-source]] [[Apache License]] 2.0.<ref>{{cite web |title=JetBrains' IntelliJ IDEA Goes Open Source |url=https://blog.jetbrains.com/blog/2009/10/15/pr_151009/ |website=The JetBrains Blog |access-date=4 September 2022 |date=15 October 2009}}</ref><ref>{{cite web |last=Pronschinske |first=Mitch |title=IntelliJ IDEA Goes Open Source |url=https://dzone.com/articles/last-major-ide-vendor-intellij |website=dzone.com |access-date=4 September 2022 |language=en |date=15 October 2009|archive-url=https://web.archive.org/web/20170314153710/https://dzone.com/articles/last-major-ide-vendor-intellij|archive-date=2017-03-14}}</ref> JetBrains also began distributing a limited version of IntelliJ IDEA consisting of open-source features under the moniker Community Edition. The commercial Ultimate Edition provides additional features and remains available for a fee.

In a 2010 ''[[InfoWorld]]'' report, IntelliJ received the highest test centre score out of the four top Java programming tools: [[Eclipse (software)|Eclipse]], IntelliJ IDEA, [[NetBeans]] and [[JDeveloper]].<ref>{{cite web|url=http://www.infoworld.com/d/developer-world/infoworld-review-top-java-programming-tools-191|title=InfoWorld review: Top Java programming tools|last=Binstock|first=Andrew|date=22 September 2010|work=[[InfoWorld]]}}</ref>

In December 2014, Google announced version 1.0 of [[Android Studio]], an [[open-source software|open-source]] IDE for [[Android (operating system)|Android]] apps, based on the open source community edition.<ref>{{cite web|url=https://venturebeat.com/2014/12/08/google-releases-android-studio-1-0-the-first-stable-version-of-its-ide/|title=Google releases Android Studio 1.0, the first stable version of its IDE|work=[[VentureBeat]]|date=8 December 2014}}</ref> Other development environments based on IntelliJ's framework include [[AppCode]], [[JetBrains#CLion|CLion]], [[JetBrains#DataGrip|DataGrip]], [[JetBrains#GoLand|GoLand]], [[PhpStorm]], [[PyCharm]], [[JetBrains#Rider|Rider]], [[RubyMine]], [[WebStorm]], and [[JetBrains MPS|MPS]].<ref>{{cite web|url=http://www.jetbrains.org/pages/viewpage.action?pageId=983889|title=What is the IntelliJ Platform?|work=[[VentureBeat]]|date=23 February 2015}}</ref>

In September 2020, [[Huawei]] announced and released version 1.0 of [[DevEco Studio]], an open-source IDE for [[HarmonyOS]] apps development, based on [[JetBrains|Jetbrains]] IntelliJ IDEA with Huawei's SmartAssist for [[Microsoft Windows|Windows]] and [[macOS]].<ref>{{Cite web |last=Amit |date=2020-09-09 |title=Huawei DevEco Studio 1.0 launched: EMUI 11 and Hongmeng Project App can be developed |url=https://www.huaweiupdate.com/huawei-deveco-studio-1-0/ |access-date=2023-08-24 |website=HU |language=en-US}}</ref>

==System requirements==
{| class="wikitable" style="margin-left: auto; margin-right: auto; border: none;"
|+ System requirements for IntelliJ IDEA 2023.3<ref>{{cite web|url=https://www.jetbrains.com/help/idea/installation-guide.html|title=Install IntelliJ IDEA – System requirements|date=11 January 2024|access-date=7 February 2024|website=www.jetbrains.com}}</ref>
!
!Windows
!macOS
!Linux
|-
|'''Operating system version'''
|64-bit [[Windows 10, version 1809]] (or [[Windows Server 2019]]) or later
|[[macOS Monterey]] or later   
|A Linux 6.x distribution with [[glibc]] 2.28 or later that supports [[GNOME]], [[KDE Plasma 6|KDE]]
|-
|'''RAM'''
| colspan="3" |2 GB free RAM minimum; 8 GB RAM recommended
|-
|'''Disk space'''
| colspan="3" |3.5 GB required; a [[solid-state drive]] with at least 5 GB of free space is recommended
|-
|'''JDK version'''
| colspan="3" |JDK 7 to 21 supported<ref>{{cite web|url=https://www.jetbrains.com/help/idea/supported-java-versions.html|title=Supported Java versions and features|date=7 October 2023|access-date=7 February 2024|website=www.jetbrains.com}}</ref>
|-
|'''JRE version'''
| colspan="3" |Bundled with Java 17
|-
|'''Screen resolution'''
| colspan="3" |At least 1024×768 is required; at least 1920×1080 is recommended
|}

==Features==
===Coding assistance===
The IDE provides certain features<ref name=":0">{{Cite web|title = IntelliJ IDEA :: Features|url = https://www.jetbrains.com/idea/features/|website = JetBrains|access-date = 2016-02-07}}</ref> like [[autocomplete|code completion]] by analysing the context, code navigation which allows jumping to a class or declaration in the code directly, [[code refactoring]], [[Debugging|code debugging]],<ref>Roman Beskrovnyi, [https://codegym.cc/groups/posts/243-debugging-in-intellij-idea-a-beginners-guide "Debugging in IntelliJ IDEA: a beginner's guide"], ''CodeGym.cc blog'', 16 March 2020</ref> [[Lint (software)|linting]] and options to fix inconsistencies via suggestions.

===Built in tools and integration===
The IDE provides<ref name=":0" /> integration with build/packaging tools like [[Apache Maven|Maven]], [[Grunt (software)|Grunt]], [[Gradle]], and [[sbt (software)|sbt]]. It supports databases like [[Microsoft SQL Server]], [[Oracle Database|Oracle]], [[PostgreSQL]], [[SQLite]], and [[MySQL]] can be accessed directly from the IDE in the Ultimate edition, through an embedded version of [[JetBrains#DataGrip|DataGrip]], another IDE developed by JetBrains.

=== Plugin ecosystem ===
IntelliJ IDEA supports plugins through which one can add additional functionality to the IDE. Plugins can be downloaded and installed either from IntelliJ's plugin repository website or through the IDE's built-in plugin search and install feature. Each edition has separate plugin repositories, with the Community edition supporting over 7,600 plugins, and the Ultimate edition supporting over 8,300 plugins, as of November 2024.<ref>{{Cite web |title=JetBrains Marketplace |url=https://plugins.jetbrains.com/ |website=[[JetBrains]] |access-date=2 November 2024}}</ref>

===Supported languages===
The Community and Ultimate editions differ in their support for various programming languages as shown in the following table.<ref name="editions">{{cite web|url = http://www.jetbrains.com/idea/features/editions_comparison_matrix.html|title = IntelliJ IDEA Editions Comparison|work = JetBrains|access-date = 19 December 2014}}</ref>

{{Col-begin}}
{{Col-2}}
Supported in both Community and Ultimate Edition:
* [[CSS]], [[Sass (style sheet language)|Sass]], [[Sass (stylesheet language)|SCSS]], [[Less (style sheet language)|Less]], [[Stylus (style sheet language)|Stylus]]
* [[Apache Groovy|Groovy]]
* [[HTML]], [[XML]], [[JSON]], [[YAML]]
* [[Java (programming language)|Java]]
* [[Kotlin (programming language)|Kotlin]]
* [[Markdown]]
* [[XSL]], [[XPATH]]

{{Col-2}}
Supported in both Community and Ultimate Edition via plugins:
* [[Clojure]]<ref>{{cite web|url=https://plugins.jetbrains.com/plugin/8090-cursive |title=Cursive - Plugins - JetBrains |website=JetBrains Plugin Repository}}</ref>
* CloudSlang<ref>{{ cite web|url=https://plugins.jetbrains.com/plugin/9437-cloudslang-plugin|title=CloudSlang - Plugins - JetBrains|website=JetBrains Plugin Repository}}</ref>
* [[Dart (programming language)|Dart]]
* [[Elm (programming language)|Elm]]<ref>{{cite web|url=https://plugins.jetbrains.com/plugin/10268-elm|title=Elm - Plugins - JetBrains|website=JetBrains Plugin Repository|access-date=2019-03-04|archive-date=2021-05-09|archive-url=https://web.archive.org/web/20210509061803/https://plugins.jetbrains.com/plugin/10268-elm|url-status=dead}}</ref>
* [[Erlang (programming language)|Erlang]]
* [[Gosu (programming language)|Gosu]]
* [[Haskell]]<ref>{{cite web|url=https://plugins.jetbrains.com/plugin/8258-intellij-haskell|title=Haskell - Plugins - JetBrains|last=van der Kleij|first=Rik|website=JetBrains Plugin Repository}}</ref>
* [[Haxe]]
* [[Julia (programming language)|Julia]]<ref>{{cite web|url=https://plugins.jetbrains.com/plugin/10413-julia|title=Julia - Plugins - JetBrains|website=JetBrains Plugin Repository}}</ref>
* [[Lua (programming language)|Lua]]<ref>{{cite web|url=https://bitbucket.org/sylvanaar2/lua-for-idea/wiki/Home|title=sylvanaar2 / Lua For IDEA / wiki / Home — Bitbucket|website=bitbucket.org|access-date=2016-04-03|archive-date=2016-10-11|archive-url=https://web.archive.org/web/20161011164942/https://bitbucket.org/sylvanaar2/lua-for-idea/wiki/Home|url-status=dead}}</ref>
* [[Perl]]
* [[Python (programming language)|Python]]<ref>{{cite web|url=https://plugins.jetbrains.com/plugin/7322?pr=|title=Python Community Edition - Plugins - JetBrains|website=JetBrains Plugin Repository}}</ref><ref name="jetbrains.com">{{cite web |url=https://blog.jetbrains.com/pycharm/2013/09/jetbrains-delights-the-python-community-with-a-free-edition-of-its-famous-ide-pycharm-3-0/ |title=JetBrains Delights the Python Community with a Free Edition of its Famous IDE, PyCharm 3.0 |date=24 September 2013 |website=jetbrains.com}}</ref>
* [[R (programming language)|R]]<ref>{{cite web|url=https://plugins.jetbrains.com/plugin/6632-r-language-support|title=R Language for IntelliJ|website=JetBrains Plugin Repository}}</ref>
* [[Rust (programming language)|Rust]]<ref>{{cite web |author=JetBrains |author-link=JetBrains |title=Rust |website=JetBrains Plugins |url=https://plugins.jetbrains.com/plugin/8182-rust/ |access-date=2019-12-10}}</ref><ref>{{cite web |last1=Cheptsov |first1=Andrey |date=2017-08-04 |df=dmy |title=Official Support for Open-Source Rust Plugin for IntelliJ IDEA, CLion, and Other JetBrains IDEs |website=JetBrains Blog |url=https://blog.jetbrains.com/blog/2017/08/04/official-support-for-open-source-rust-plugin-for-intellij-idea-clion-and-other-jetbrains-ides/ |access-date=2019-12-10}}</ref>
* [[Scala (programming language)|Scala]]
{{Col-end}}

{{Col-begin}}
{{Col-2}}
Supported only in Ultimate Edition:
* [[CoffeeScript]], [[ActionScript]]
* [[JavaScript]], [[TypeScript]]
* [[SQL]]

{{Col-2}}
Supported only in Ultimate Edition via plugins:
* [[Cython]]
* [[Go (programming language)|Go]]
* [[PHP]]
* [[Ruby (programming language)|Ruby]] and [[JRuby]]
{{Col-end}}

===Technologies and frameworks===

Source:<ref name=editions/>

{{Col-begin}}
{{Col-2}}
Supported in both Community and Ultimate Edition:

* [[Android (operating system)|Android]] (includes the functionality of [[Android Studio]])
* [[Apache Ant|Ant]]
* [[Gradle]]
* Test runners ([[JUnit]], [[TestNG]], [[Spock (testing framework)|Spock]], [[Cucumber (software)|Cucumber]], ScalaTest, spec2, etc.)
* [[JavaFX]]
* [[Apache Maven|Maven]]

{{Col-2}}
Supported only in Ultimate Edition:

* [[Django (web framework)|Django]]
* [[Thymeleaf]], [[FreeMarker]], [[Apache Velocity|Velocity]]
* [[Grails (framework)|Grails]]
* [[Jakarta EE]] ([[Jakarta Faces]], [[JAX-RS]], [[Contexts and Dependency Injection|CDI]], [[Jakarta Persistence|JPA]], etc.)
* [[Micronaut (framework)|Micronaut]], [[Quarkus]], Helidon
* [[Node.js]], [[React (software)|React]], [[Vue.js]], [[Angular (web framework)|Angular]]
* [[AspectJ]], [[JBoss Seam]], [[OSGi]]
* [[Play Framework|Play]]
* [[Ruby on Rails]]
* [[SBT (software)|sbt]]<ref>{{cite web|url = http://blog.jetbrains.com/scala/2013/11/18/built-in-sbt-support-in-intellij-idea-13/|title = Built-in SBT Support in IntelliJ IDEA 13|work = JetBrains|date = 18 November 2013}}</ref>
* [[Spring Framework|Spring]]
{{Col-end}}

There was a free [[Plug-in (computing)|plugin]] from [[Atlassian]] for IntelliJ available to integrate with [[Jira (software)|JIRA]],<ref>{{cite web|url = http://www.atlassian.com/software/ideconnector/|title = IDE Connectors|publisher = [[Atlassian]]|access-date = 2009-02-07|archive-url = https://web.archive.org/web/20111018065835/http://www.atlassian.com/software/ideconnector/|archive-date = 2011-10-18|url-status = dead}}</ref> [[Bamboo (software)|Bamboo]], [[Crucible (software)|Crucible]] and [[FishEye (software)|FishEye]]. However, the software, called IDE-Connector, was discontinued on June 1, 2015.<ref>{{cite web|url=https://developer.atlassian.com/blog/2015/06/discontinuing-ide-connectors-support/?_ga=1.16395702.1631102713.1476165618|title=We are discontinuing the support for Atlassian IDE Connectors - Atlassian Developers|website=developer.atlassian.com|date=June 2015|access-date=2016-11-02|archive-date=2016-11-04|archive-url=https://web.archive.org/web/20161104001236/https://developer.atlassian.com/blog/2015/06/discontinuing-ide-connectors-support/?_ga=1.16395702.1631102713.1476165618|url-status=dead}}</ref>

===Software versioning and revision control===
The two editions also differ in their support<ref name="editions" /> for [[software versioning]] and [[revision control]] systems.

{{Col-begin}}
{{Col-2}}
Supported in both Community and Ultimate Edition:
* [[Git]]
* [[Mercurial]]
* [[Apache Subversion|Subversion]]
* [[Azure DevOps Server|Azure DevOps]] (formerly TFS/VSTS; via plug-in)<ref>{{cite web |author=JetBrains |author-link=JetBrains |title=TFS |website=JetBrains Plugins |url=https://plugins.jetbrains.com/plugin/4578-tfs/ |access-date=2019-12-10}}</ref><ref>{{cite web |author=Microsoft |author-link=Microsoft |title=Azure DevOps |website=JetBrains Plugins |url=https://plugins.jetbrains.com/plugin/7981-azure-devops |access-date=2019-12-10}}</ref>
{{Col-2}}
Supported only in Ultimate Edition:
* [[Perforce]]
{{Col-end}}

==See also==
{{Portal|Free and open-source software}}
* [[Comparison of integrated development environments#Java|Comparison of integrated development environments]]
* [[GitHub Copilot]]

== Bibliography ==

* {{citation |first1     = Stephen
 |last1      = Saunders
 |first2     = Duane K.
 |last2      = Fields
 |first3     = Eugene
 |last3      = Belayev
 |date       = March 1, 2006
 |title      = IntelliJ IDEA in Action
 |edition    = 1st
 |publisher  = [[Manning Publications|Manning]]
 |page       = [https://archive.org/details/intellijideainac0000fiel/page/450 450]
 |isbn       = 1-932394-44-3
 |url        = https://archive.org/details/intellijideainac0000fiel/page/450
 |url-access = registration
}}
* {{citation
 |first1       = S.
 |last1        = Davydov
 |first2       = A.
 |last2        = Efimov
 |date         = May 2005
 |title        = IntelliJ IDEA. Professional'noe programmirovanie na Java (V podlinnike)
 |edition      = 1st
 |publisher    = [[w:ru:БХВ-Петербург|BHV]]
 |page         = 800
 |isbn         = 5-94157-607-2
 |url          = http://www.bhv.ru/books/book.php?id=9910
 |access-date  = 2011-03-17
 |archive-date = 2013-12-09
 |archive-url  = https://web.archive.org/web/20131209034835/http://www.bhv.ru/books/book.php?id=9910
 |url-status   = dead
}}

==References==
{{Reflist|30em}}

{{Commons category}}

{{Integrated development environments}}

[[Category:Free integrated development environments]]
[[Category:Java development tools]]
[[Category:Java (programming language) software]]
[[Category:Products introduced in 2001]]
[[Category:Software using the Apache license]]