IntelliJ IDEA

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IntelliJ IDEA (Template:Small Template:IPAc-en Template:Respell "idea"<ref>Template:Cite web</ref>) is an integrated development environment (IDE) written in Java for developing computer software written in Java, Kotlin, Groovy, and other JVM-based languages. It is developed by JetBrains (formerly known as IntelliJ) and is available as an Apache 2 Licensed community edition with proprietary license for some bundled plugins,<ref name="community_edition_terms" /><ref>Template:Cite web</ref> and in a proprietary commercial edition. Both can be used for commercial development.<ref>Template:Cite web</ref><ref>Template:Cite web</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">Template:Cite web</ref><ref>Template:Cite web</ref>

In 2009, JetBrains released the source code for IntelliJ IDEA under the open-source Apache License 2.0.<ref>Template:Cite web</ref><ref>Template:Cite web</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, IntelliJ IDEA, NetBeans and JDeveloper.<ref>Template:Cite web</ref>

In December 2014, Google announced version 1.0 of Android Studio, an open-source IDE for Android apps, based on the open source community edition.<ref>Template:Cite web</ref> Other development environments based on IntelliJ's framework include AppCode, CLion, DataGrip, GoLand, PhpStorm, PyCharm, Rider, RubyMine, WebStorm, and MPS.<ref>Template:Cite web</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 IntelliJ IDEA with Huawei's SmartAssist for Windows and macOS.<ref>Template:Cite web</ref>

In September 2025, JetBrains added AI support to its IDE as a free (limited use) or a paid-for subscription service. This includes their own agent (Junie) and supporting Anthropic's Claude;<ref>Template:Cite web</ref> other agents were already available as plug-ins.

System requirements

System requirements for IntelliJ IDEA 2025.2<ref>Template:Cite web</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
RAM 2 GB free RAM minimum; 8 GB RAM recommended
Disk space 3.5 GB required; a solid-state drive with at least 5 GB of free space is recommended
JDK version JDK 7 to 25 supported<ref>Template:Cite web</ref>
JRE version Bundled with Java 21
Screen resolution At least 1024×768 is required; at least 1920×1080 is recommended

Features

Coding assistance

The IDE provides certain features<ref name=":0">Template:Cite web</ref> like code completion by analysing the context, code navigation which allows jumping to a class or declaration in the code directly, code refactoring, code debugging,<ref>Roman Beskrovnyi, "Debugging in IntelliJ IDEA: a beginner's guide", CodeGym.cc blog, 16 March 2020</ref> 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 Maven, Grunt, Gradle, and sbt. It supports databases like Microsoft SQL Server, Oracle, PostgreSQL, SQLite, and MySQL can be accessed directly from the IDE in the Ultimate edition, through an embedded version of 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>Template:Cite web</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">Template:Cite web</ref>

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

Template:Col-2 Supported in both Community and Ultimate Edition via plugins:

Template:Col-end

Template:Col-begin Template:Col-2 Supported only in Ultimate Edition:

Template:Col-2 Supported only in Ultimate Edition via plugins:

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Technologies and frameworks

Source:<ref name=editions/>

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

Template:Col-2 Supported only in Ultimate Edition:

Template:Col-end

There was a free plugin from Atlassian for IntelliJ available to integrate with JIRA,<ref>Template:Cite web</ref> Bamboo, Crucible and FishEye. However, the software, called IDE-Connector, was discontinued on June 1, 2015.<ref>Template:Cite web</ref>

Software versioning and revision control

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

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

Template:Col-2 Supported only in Ultimate Edition:

Template:Col-end

The core engine (IntelliJ IDEA) is also included in a number of product IDEs specifically targeted at particular development environments. As of late September 2025, these included:<ref>Template:Cite web</ref>

  • IntelliJ IDEA: Java, Kotlin, Spring
  • PyCharm: Python, Django, Jupyter
  • PhpStorm: PHP, Laravel, Symfony
  • GoLand: Go (Golang), JavaScript, TypeScript
  • Rider: C#, .NET, ASP.NET
  • CLion: C, C++, CMake
  • RustRover: Rust, SQL, JavaScript
  • WebStorm: JavaScript, TypeScript, React
  • RubyMine: Ruby on Rails (RoR), Hotwire, RuboCop
  • DataGrip: Databases, SQL, NoSQL
  • DataSpell: Python, Jupyter, SQL cells
  • ReSharper: C#, .NET, ASP.NET

See also

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Bibliography

References

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