IntelliJ IDEA Cheatsheet #

IntelliJ IDEA is a powerful Integrated Development Environment (IDE) for Java and other programming languages. It offers advanced features for coding, debugging, and project management.

Command/Option	Example	Description
`Ctrl + N`	`Ctrl + N`	Find class by name
`Ctrl + Shift + N`	`Ctrl + Shift + N`	Find file by name
`Ctrl + Alt + Shift + N`	`Ctrl + Alt + Shift + N`	Find symbol by name
`Shift`	`Shift`	Search everywhere
`Ctrl + E`	`Ctrl + E`	View recent files
`Ctrl + Tab`	`Ctrl + Tab`	Switch between open files

Editing Code #

Command/Option	Example	Description
`Ctrl + C`	`Ctrl + C`	Copy selected text
`Ctrl + X`	`Ctrl + X`	Cut selected text
`Ctrl + V`	`Ctrl + V`	Paste text
`Ctrl + Z`	`Ctrl + Z`	Undo
`Ctrl + Y`	`Ctrl + Y`	Redo
`Ctrl + D`	`Ctrl + D`	Duplicate line or selection
`Ctrl + /`	`Ctrl + /`	Comment or uncomment line
`Ctrl + Shift + /`	`Ctrl + Shift + /`	Comment or uncomment block

Searching and Replacing #

Command/Option	Example	Description
`Ctrl + F`	`Ctrl + F search_term`	Find text in the file
`Ctrl + R`	`Ctrl + R old_text`	Replace text in the file
`Ctrl + Shift + F`	`Ctrl + Shift + F`	Find in path
`Ctrl + Shift + R`	`Ctrl + Shift + R`	Replace in path

File Management #

Command/Option	Example	Description
`Ctrl + N`	`Ctrl + N`	Create a new file or project
`Ctrl + S`	`Ctrl + S`	Save file
`Ctrl + Shift + S`	`Ctrl + Shift + S`	Save all files
`Ctrl + W`	`Ctrl + W`	Close current editor tab
`Ctrl + Shift + W`	`Ctrl + Shift + W`	Close all editor tabs
`Alt + Enter`	`Alt + Enter`	Show intention actions and quick fixes

Integrated Terminal #

Command/Option	Example	Description
`Alt + F12`	`Alt + F12`	Open integrated terminal
`Ctrl + Shift + F12`	`Ctrl + Shift + F12`	Maximize/minimize editor and tool windows

Debugging #

Command/Option	Example	Description
`Shift + F9`	`Shift + F9`	Debug
`F8`	`F8`	Step over
`F7`	`F7`	Step into
`Shift + F8`	`Shift + F8`	Step out
`Ctrl + F2`	`Ctrl + F2`	Stop debugging
`Alt + F9`	`Alt + F9`	Run to cursor

Refactoring #

Command/Option	Example	Description
`Ctrl + Alt + Shift + T`	`Ctrl + Alt + Shift + T`	Refactor this
`Shift + F6`	`Shift + F6`	Rename
`Ctrl + Alt + V`	`Ctrl + Alt + V`	Extract variable
`Ctrl + Alt + M`	`Ctrl + Alt + M`	Extract method
`Ctrl + Alt + F`	`Ctrl + Alt + F`	Extract field

Project Management #

Command/Option	Example	Description
`Ctrl + Shift + A`	`Ctrl + Shift + A`	Find action
`Alt + F1`	`Alt + F1`	Find file in project view
`Ctrl + F9`	`Ctrl + F9`	Build project
`Ctrl + Shift + F9`	`Ctrl + Shift + F9`	Compile selected files

Miscellaneous #

Command/Option	Example	Description
`Ctrl + Shift + L`	`Ctrl + Shift + L`	Show all key bindings
`Ctrl + Alt + L`	`Ctrl + Alt + L`	Reformat code
`Ctrl + Shift + N`	`Ctrl + Shift + N`	Open file by name
`Ctrl + Alt + Shift + S`	`Ctrl + Alt + Shift + S`	Open project structure

This cheatsheet covers essential IntelliJ IDEA commands and options to help you navigate, edit, and manage your projects efficiently in IntelliJ IDEA.