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IntelliJ Cheat Sheet

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Release： 2024-08-30 15:15:59

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IntelliJ cheat sheet support various programming languages like Java, CloudSlang, Clojure, Dart, Erlang, Go, Groovy, JavaScript, PHP, Ruby or JRuby, TypeScript, HTML, Perl, Haxe, Rust, Scala, XML/JSL, Kotlin, Haskell, Lua, Julia, and Python. It supports the platforms and technologies like Android, Junit, Maven, TestNG, Django, EJB, Grails, JSF, JSP, Node.js, Play, struts, web services, Hibernate, and ruby on rails, etc.

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IntelliJ

IntelliJ is also referred to as IntelliJ IDEA, and it is a Java integrated development environment (IDE). It is used for creating or developing software. JetBrains develop it. It is written in Java. It was initially released in the year 2001, but since 2010, it is also one of the top tools used for Java programming. It supports the operating systems that are windows, Mac OS, Linux.
IntelliJ IDEA has a lot of features like completion of code after analyzing the context, code navigation that allows shifting to class or directly declaration of code, code refactoring, and options to fix inconsistencies. It also provides integration with other tools like Gradle, grunt, etc., and version controls like GIT, SVN, etc. and databases like MSSQL server, MySQL and Oracle.

Commands and Content on IntelliJ Cheat Sheet

The IntelliJ cheat sheet has an extensive library, scalable, extendable, and interactive and contains many inbuilt methods to compute common operations. There are different commands available to perform basic selection, code completion and refactoring commands.

Below is the IntelliJ Cheat sheet for commands mentioned which perform different kinds of operations:

Command	Description
Ctrl + /	This command is used to Comment Line
Ctrl + Shift + /	It is used to Comment Block
Ctrl + D	It is to Duplicate Line
Alt + Shift + Down/Up	To Move line
Ctrl + Alt + Shift + Down/Up	To Move the Whole statement
Ctrl + –	It is to Collapse block
Ctrl + +	It is used to Expand block
Ctrl + Shift + +/-	When we need to Collapse/ Expand the whole file
Ctrl + A	Need to Select Whole life
Ctrl + W	When to Extend the selection to the next block
Ctrl + Shift + W	It is used to Shrinks selection
Alt + J	When to Select next occurrence
Alt + Shift + J	When to Deselect next occurrence
Ctrl + shift + F7	Helps in Highlight all usages in file
Ctrl +Alt + Shift + J	It is to Select all occurrence in the file
Ctrl + Space	Suggest
Ctrl + Space X2	Getting the Deeper level suggestion
Ctrl + shift + space	It helps in getting the List of matching suggestion
Ctrl + shift + space x2	A suggestion in return statement
Ctrl + Shift + enter	Complete statement
Shift + F6	Rename
Ctrl + Alt + V	Extract variable or field
Ctrl + Alt + M	Encapsulate code in a new method
Ctrl + Alt + C	Extract selected expression in a context
Ctrl + Alt + P	Extract selected expression in a parameter
Ctrl + Alt + T	Surround selected code

There are some other commands available on code assistance and navigation; please find below:

Command	DESCRIPTION
Ctrl + P	It is used to see the method signature
Ctrl + J	It is used to insert a live template
Ctrl + Q	It is to see the method documentation
Ctrl + Alt + L	Used to Reformat code
Ctrl + shift + i	It is to see the definition
F2	It helps in finding the next highlighted error in a file
Ctrl + F1	It is used to see the description error
Alt + Enter	It provides a suggested solution
Ctrl + N	When it is required to search class
Ctrl + Shift +N	It is used to search file
F4	It helps in Jump to source
Ctrl + B	Jump to declaration
Ctrl + Alt + B	Jump to implementation
Ctrl + F12	It is used to see a file structure

Free Tips and Tricks of using IntelliJ Cheat Sheet for commands

IntelliJ IDEA comes with two very useful preconfigured quick-lists that are as below.

Refactor This (Ctrl + Alt + Shift + T on Windows/Linux and Ctrl + T on Mac OS)
VCS Operations (Alt+` on Windows/Linux and Ctrl + V on Mac OS).

With the help of the IntelliJ idea, resize of tool windows can be done with the command Ctrl + shift + arrows on windows/ Linux and shift + cmd + arrows on Mac OS.
The following command can be used ‘Win + up’ on windows and ‘Ctrl + cmd + =’ on Mac OS to maximize the window.
The following command can be used ‘Ctrl + Alt + J’ on Windows or Linux and Cmd + ‘ on Mac OS to move to the next project window.
In IntelliJ, there are many keyboard settings. Smart keys can be used to toggle automatic insertion of pair brackets, quotes, and curly braces and enable camel humps. Smart keys can be enabled through Settings -> Editor -> general -> Smart keys.
There is one important thing make sure that chosen keymap does not conflict with OS. The following are the Ubuntu commands:

Shade Window, assigned to Ctrl + Alt + S, clashes with Settings
Lock Screen, assigned to Ctrl + Alt + L, clashes with Reformat Code
Launch Terminal, assigned to Ctrl + Alt + T, clashes with Surround With
Switch to Workspace, assigned to Ctrl + Alt + Arrows, clashes with in-IDE navigation
Move Window, assigned to Alt + F7, clashes with Find Usages
Resize Window, assigned to Alt + F8, clashes with Evaluate Expression
Virtual Consoles, assigned to Ctrl + Alt + F12, clashes with Commit

Conclusion

The IntelliJ cheat sheet is getting popular among developers nowadays for working on javascript, and Json, and other Java programming or scripting languages. It is mostly simple, easy, and flexible with all the platforms. It helps in running, debugging, compiling, and testing the applications. It is used to deploy the application, analyze the application, view the structure and hierarchy of source code, module dependencies, and work with artefacts and use file watchers. This is mainly compatible with almost all the tools, framework, version control, and technologies, because of which it is the first choice nowadays to work with for any developer.

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