Cheat Sheet #day22 - IntelliJ IDEA

IntelliJ IDEA Cheat Sheet

IntelliJ IDEA is a powerful, feature-rich Integrated Development Environment (IDE) for Java and other languages. This cheat sheet provides a quick reference to essential commands and shortcuts to enhance your productivity with IntelliJ IDEA.

Basic Operations

• Open File

  • Ctrl+O (Windows/Linux)

  • Cmd+O (Mac)

• Save File

  • Ctrl+S (Windows/Linux)

  • Cmd+S (Mac)

• Save All Files

  • Ctrl+Shift+S (Windows/Linux)

  • Cmd+Shift+S (Mac)

• Close File

  • Ctrl+F4 (Windows/Linux)

  • Cmd+W (Mac)

• Close All Files

  • Ctrl+Shift+F4 (Windows/Linux)

  • Cmd+Shift+W (Mac)

Navigation

• Navigate to Class

  • Ctrl+N (Windows/Linux)

  • Cmd+O (Mac)

• Navigate to File

  • Ctrl+Shift+N (Windows/Linux)

  • Cmd+Shift+O (Mac)

• Navigate to Symbol

  • Ctrl+Alt+Shift+N (Windows/Linux)

  • Cmd+Option+O (Mac)

• Navigate Back

  • Ctrl+Alt+Left (Windows/Linux)

  • Cmd+Option+Left (Mac)

• Navigate Forward

  • Ctrl+Alt+Right (Windows/Linux)

  • Cmd+Option+Right (Mac)

• Go to Line

  • Ctrl+G (Windows/Linux)

  • Cmd+L (Mac)

• Recent Files

  • Ctrl+E (Windows/Linux)

  • Cmd+E (Mac)

Code Editing

• Cut Line (or Selection)

  • Ctrl+X (Windows/Linux)

  • Cmd+X (Mac)

• Copy Line (or Selection)

  • Ctrl+C (Windows/Linux)

  • Cmd+C (Mac)

• Paste

  • Ctrl+V (Windows/Linux)

  • Cmd+V (Mac)

• Undo

  • Ctrl+Z (Windows/Linux)

  • Cmd+Z (Mac)

• Redo

  • Ctrl+Shift+Z (Windows/Linux)

  • Cmd+Shift+Z (Mac)

• Duplicate Line or Selection

  • Ctrl+D (Windows/Linux)

  • Cmd+D (Mac)

• Delete Line

  • Ctrl+Y (Windows/Linux)

  • Cmd+Backspace (Mac)

• Move Line Up/Down

  • Shift+Alt+Up/Down (Windows/Linux)

  • Shift+Option+Up/Down (Mac)

• Comment/Uncomment Line

  • Ctrl+/ (Windows/Linux)

  • Cmd+/ (Mac)

• Block Comment/Uncomment

  • Ctrl+Shift+/ (Windows/Linux)

  • Cmd+Shift+/ (Mac)

Code Navigation and Search

• Find

  • Ctrl+F (Windows/Linux)

  • Cmd+F (Mac)

• Find and Replace

  • Ctrl+R (Windows/Linux)

  • Cmd+R (Mac)

• Find in Path

  • Ctrl+Shift+F (Windows/Linux)

  • Cmd+Shift+F (Mac)

• Replace in Path

  • Ctrl+Shift+R (Windows/Linux)

  • Cmd+Shift+R (Mac)

Refactoring

• Rename

  • Shift+F6 (Windows/Linux/Mac)

• Extract Method

  • Ctrl+Alt+M (Windows/Linux)

  • Cmd+Option+M (Mac)

• Extract Variable

  • Ctrl+Alt+V (Windows/Linux)

  • Cmd+Option+V (Mac)

• Extract Field

  • Ctrl+Alt+F (Windows/Linux)

  • Cmd+Option+F (Mac)

• Extract Constant

  • Ctrl+Alt+C (Windows/Linux)

  • Cmd+Option+C (Mac)

Code Generation

• Generate Code (Getters, Setters, Constructors, etc.)

  • Alt+Insert (Windows/Linux)

  • Cmd+N (Mac)

• Override Methods

  • Ctrl+O (Windows/Linux)

  • Cmd+O (Mac)

• Implement Methods

  • Ctrl+I (Windows/Linux)

  • Cmd+I (Mac)

Running and Debugging

• Run

  • Shift+F10 (Windows/Linux)

  • Control+R (Mac)

• Debug

  • Shift+F9 (Windows/Linux)

  • Control+D (Mac)

• Step Over

  • F8

• Step Into

  • F7

• Step Out

  • Shift+F8 (Windows/Linux)

  • Shift+F7 (Mac)

• Toggle Breakpoint

  • Ctrl+F8 (Windows/Linux)

  • Cmd+F8 (Mac)

Version Control (Git)

• Commit Changes

  • Ctrl+K (Windows/Linux)

  • Cmd+K (Mac)

• Update Project

  • Ctrl+T (Windows/Linux)

  • Cmd+T (Mac)

• Push Commits

  • Ctrl+Shift+K (Windows/Linux)

  • Cmd+Shift+K (Mac)

• View Changes

  • Alt+9 (Windows/Linux)

  • Cmd+9 (Mac)

Multi-Cursor and Selection

• Add Caret/Remove Caret

  • Alt+Click (Windows/Linux)

  • Option+Click (Mac)

• Select Next Occurrence

  • Ctrl+Alt+Shift+J (Windows/Linux)

  • Cmd+Ctrl+G (Mac)

• Select All Occurrences

  • Ctrl+Shift+Alt+J (Windows/Linux)

  • Cmd+Shift+Option+J (Mac)

• Column (Block) Selection Mode

  • Ctrl+Shift+Alt+Insert (Windows/Linux)

  • Cmd+Shift+Option+8 (Mac)

Tools and Windows

• Toggle Project View

  • Alt+1 (Windows/Linux)

  • Cmd+1 (Mac)

• Toggle Terminal

  • Alt+F12 (Windows/Linux)

  • Option+F12 (Mac)

• Run Anything

  • Ctrl+Ctrl (Windows/Linux)

  • Cmd+Cmd (Mac)

• Search Everywhere

  • Shift+Shift

• Show IntelliJ IDEA Actions

  • Ctrl+Shift+A (Windows/Linux)

  • Cmd+Shift+A (Mac)

• Quick Documentation

  • Ctrl+Q (Windows/Linux)

  • Ctrl+J (Mac)

This cheat sheet provides a quick reference to some of the most commonly used IntelliJ IDEA commands and shortcuts. For more detailed information and additional features, refer to the official IntelliJ IDEA documentation.