Marit van Dijk

Tip

Use inspections to convert classes to Java 16 records.

Tip

Hide all UI elements (tool windows, toolbars, and editor tabs) so the editor occupies the entire main window with the source code centered.

Tip

Enable Git Staging

Git Staging is an alternative approach to IntelliJ IDEA Changelists.

Tip

Evaluate JSON Path Expressions

Use IntelliJ IDEA to check if your JSON Path expression are correct.

Tip

Create New Class

Quickly add new classes to your project.

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Inline code completion

Let AI Assistant write code for you, using inline code completion.

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Explain Regexp with AI Assistant

Using AI Assistant to help you understand regexp.

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Generate code with AI Assistant

Let AI Assistant write code for you, based on your prompts.

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Edit commit message

Edit an existing commit message; use AI Assistant to Improve Commit Message.

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Extend Selection

Extend and shrink your current code selection.

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Mnemonic bookmark

Use mnemonic bookmarks for easy navigation.

Tip

Run inspection

Run inspection by name. For example, run Vulnerable API usage to see where the vulnerable API of external dependencies is used in your code.

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Custom prompts

Use a custom prompt to let AI Assistant help you.

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Open the AI Assistant chat window

Open the AI Assistant chat window from Recent Files.

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Use code from chat

Apply code snippets from the AI Assistant chat window to your project.

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Extract Method

Extract code to a new method.

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Presentation Assistant

Use Presentation Assistant to display shortcuts being used.

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Vulnerable API Usage

See whether you are using the vulnerable API of a dependency.

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Download a JDK

Download or Associate a JDK With Your Project.

Tip

Generate constructors and accessor methods

Quickly generate common code constructs such as Constructors, Getters and Setters.

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Generate a UML diagram

IntelliJ IDEA Ultimate allows you to generate UML diagrams.

Tip

Running and Stopping a Process

How to run and terminate/stop a process from your toolbar.

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Commit Changes

Commit your changes to VCS as you go.

Tip

Disable Usages

Disable the inlay hint for Usages if it's distracting you.

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Evaluate Expression

Evaluate an expression during a debugging session to learn more about the problem.

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Magic Wand

Use the magic wand to resolve simple conflicts in your code.

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Open File

Open a file from the Project tool window.

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Quick Documentation

Pull up Quick Documentation in the editor any time you need to.

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Type Information

Pull up Type Information for an expression

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AI Assistant Chat

You can chat with JetBrains AI Assistant right inside the IDE.

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Find in File

Find a specific name or string in your file.

Tip

Generate Unit Tests

Generate unit tests with AI Assistant.

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Structure Tool Window

Quickly get an overview of your class and jump to the relevant code.

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Split and move right

View two files side by side

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Toggle Rendered View

Toggle rendered view for one or all Javadoc comments.

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AI Actions

View and use AI Actions in the editor.

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Close Tabs

Close inactive tabs so you an focus on your current working context.

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Expand and Collapse Code

Quickly view specific parts of a class by expanding or collapsing code blocks.

Tip

Hide Tool Windows

Hide or restore all tool windows so you can keep your IDE exactly how you like it.

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Move Statement

Move a statement up or down within the same scope.

Tip

Search Collapsed Code

Search all your code, including collapsed code to find what you need.

Tip

VCS Popup

Open VCS actions using keyboard shortcuts to save time.

Tutorial

Tips for Reading Code

Tips to help you read and understand code in IntelliJ IDEA.

Part of tutorial

Formatting

Formatting Code in IntelliJ IDEA.

Part of tutorial

JetBrains AI Assistant

Using AI Assistant to understand code.

Part of tutorial

Introduction

Reading Code in IntelliJ IDEA.

Part of tutorial

Additional hints

Quick Documentation & Type Information.

Part of tutorial

Refactoring

Refactoring code for understanding.

Part of tutorial

Reader mode

Render doc comments in Reader Mode.

Part of tutorial

Searching

Searching the code.

Part of tutorial

Structure

A quick view at the structure of the code.

Part of tutorial

Summary and Shortcuts

Reading Code in IntelliJ IDEA Summary.

Part of tutorial

Testing and debugging

Testing and debugging in IntelliJ IDEA.

Part of tutorial

Version control (Git) history

Using Version control (Git) history to understand the project.

JetBrains Blog

Build a Spring Boot App with AI Assistant

Build a small Java Spring Boot web application in IntelliJ IDEA with the help of JetBrains AI Assistant.

Tip

Explain Runtime Error with AI Assistant

Let AI Assistant explain runtime errors to you.

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File Structure

Get a quick overview of the structure of your class file.

Tip

Interactive Rebase

Clean up your commit history by using interactive rebase in IntelliJ IDEA.

Tip

Select Opened File

Locate an opened file in the project structure.

Tip

Write Documentation with AI Assistant

Generate documentation for your code with AI Assistant.

Tip

Custom Project Icons

See how you can add a custom icon to your project.

Tip

Dependency Matrix

Explore project structure with the Dependency Matrix.

Tip

Group projects

Group your projects together in the Welcome Screen.

Tip

Refactor rename with AI Assistant

Use the power of AI Assistant for even better naming suggestions.

Tip

Show Diff for Failing Test

Quickly see the diff for a failing test to debug it faster.

Topic

AI

Comprising JetBrains AI Assistant and Full Line Code Completion

Part of tutorial

Presentation Assistant plugin

Using the Presentation Assistant plugin to show shortcuts.

Tip

Selectively Commit Changes

Selectively commit a subset of changes in a file to VCS.

Tip

Annotate with Git Blame: Show Diff

Look at the diff a change was part of from Annotate with Git Blame.

Tip

Annotate with Git Blame: Commit

Look at the commit a change was part of from Annotate with Git Blame.

Tip

Import Multiple Repositories

Import multiple related repositories into one IntelliJ IDEA project.

Tip

Optimize imports

Remove unused imports from your code with one keyboard shortcut.

Tip

Rename Bookmark

Rename an existing bookmark to something more suitable.

Tip

CamelCase in Code Completion

Use CamelCase in code completion to speed up your workflow.

Tip

Generate a Test Class

Generate a new test class from your Java class.

Tip

Inline Variable

Sometimes inlining a variable can make your code more readable.

Tip

Introduce Variable

Refactor your code and introduce a new variable right when you need it.

Tip

Postfix Completion

Postfix completion allows you to keep typing forwards, it minimises the amount of time you spend moving the cursor around while you're coding.

Tip

Surround With

Surround your code with common programming constructs.

Tip

Creating Code

IntelliJ IDEA can help create code for you saving your fingers.

Tip

Live Templates

Use Live Templates to auto-complete common code structures for you.

Tip

Using regex

Using language injection to work with Regex.

Tip

Related Problems

Use IntelliJ IDEA's inlay hints to navigate to Related Problems.

Tip

Using SQL

Using language injection to work with SQL.

Tip

Understanding the Debugger

Use the debugger to help you understand what your code is doing.

Tip

Debugging Streams

Visualize the flow of data through a Java stream.

Tip

Working with the Git tool window

Git tool window

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Gutter Icons

View information about your code by looking at the gutter icons.

Tip

Parameter Information

Finding the parameter type can be really helpful for understanding your code.

Tip

Problem Window

Using the Problems tool window to find and fix errors as they occur.

Tip

Recent Files & Locations

Quickly navigate around your recent files & locations to stay in your current working context.

Tip

Viewing Scrollbars

You can view a wealth of information about your code in the scrollbars.

Tip

Clipboard History

Paste a subset or multiple entries such as a list from your recent copy history.

Tip

Data Flow Analysis

Data flow analysis can show us potential errors in our code logic.

Tip

Go to Next Error

Quickly move to the next (or previous) error or warning in the file.

Tip

Find in Files

Find a specific string in (a subset of files in) your code.

Tip

Manage Dependencies

Manage all your dependencies in the Dependencies tool window.

Tip

Structural Search

Structural Search and Replace is very helpful for finding exactly what you need in your project.

Tip

Code Completion

Code completion in your IDE means you can focus on solving the problem at hand.

Tip

Context Actions

There are numerous ways to use Context Actions, let's explore some of them.

Tip

Generate Code

Helps you to generate commonly used code constructs.

Tip

Multiple carets

Use multiple carets in your code to make the same change in multiple places or work with lists.

Tip

Navigate to Test

Go to your matching test class with one keyboard shortcut.

Tip

Run Anything

How to use the Run Anything dialog to run, well, anything!

Tip

Navigating Forward & Backward

Move forward and backward between your locations in the code so you don't need to have tabs open.

Tip

Code With Me

Collaborate with your friends and colleagues remotely by using Code With Me.

Tip

Feature Trainer

Learn IntelliJ IDEA features using the Feature Trainer.

Tip

Select Kotlin Multiplatform dependencies

Select Kotlin Multiplatform dependencies in the Dependencies tool window.

Tip

Focus on your code

Focus on your code window

Tip

Go to Declaration or Implementation

Use Go to Declaration or Usages, and Go to Implementation to navgiate around your codebase.

Tip

Notifications

Use the Notifications tool window to see what's happening with your project.

Tip

Productivity Guide

Ever wandered which features of IntelliJ IDEA you use the most?

Tip

Remove Dependency

Remove dependency in the Dependencies tool window.

Tip

Shortcuts and Abbreviations

Using shortcuts and abbreviations to speed up your navigation in your IDE.

Tip

Themes and Plugins

How to find themes and install plugins.

Tip

Upgrade Dependencies

Upgrade dependencies from the Dependencies tool window.

Tutorial

Explore project structure with the Dependency Matrix

Exploring project structure with the Dependency Matrix in IntelliJ IDEA.

Part of tutorial

Interpret the Dependency Matrix

How to interpret the Dependency Matrix.

Part of tutorial

Introduction

Explore project structure with the Dependency Matrix.

Part of tutorial

Summary and Shortcuts

Explore project structure with the Dependency Matrix Summary.

Part of tutorial

Opening the Dependency Matrix

Opening the Dependency Matrix for your project.

Tutorial

Import project

Importing a project into IntelliJ IDEA.

Part of tutorial

Import existing project

Importing an existing project into IntelliJ IDEA.

Part of tutorial

Open multiple projects

Opening multiple repositories into one project in IntelliJ IDEA.

Part of tutorial

Introduction

Importing a project into IntelliJ IDEA.

Part of tutorial

Open recent project

Opening a recent project in IntelliJ IDEA.

Part of tutorial

Open project

Opening a project in IntelliJ IDEA.

Part of tutorial

Project from version control

Cloning a project from version control.

Part of tutorial

Summary and Shortcuts

Importing projects into IntelliJ IDEA Summary.

Part of tutorial

Project from existing sources

Importing a project from existing sources.

Part of tutorial

Project from existing model

Importing a project from existing model.

Tutorial

GitLab Merge Requests

Working with GitLab Merge Requests.

Part of tutorial

Adding comments

Adding comments from GitLab and IntelliJ IDEA.

Part of tutorial

Introduction

Working with GitLab Merge Requests.

Part of tutorial

Logging in to GitLab

Logging in to GitLab from IntelliJ IDEA.

Part of tutorial

Reviewing GitLab Merge Requests

Reviewing GitLab Merge Requests inside IntelliJ IDEA.

Part of tutorial

Summary and Shortcuts

Working with GitLab Merge Requests Summary.

Part of tutorial

GitLab Merge Request tool window

The GitLab Merge Request tool window.

Part of tutorial

View GitLab Merge Requests

View GitLab Merge Requests inside IntelliJ IDEA.

Tutorial

Contributing to open source software; creating a pull request

Contribute code to someone else's GitHub project with a pull request.

Part of tutorial

Making changes to code

Making and committing our changes.

Part of tutorial

Creating the pull request

How to create a pull request on GitHub.

Part of tutorial

Getting the project

Forking and cloning the project.

Part of tutorial

Summary and Shortcuts

Contributing to open source software Summary.

Part of tutorial

Negotiating the review process

Review and hopefully get your pull request merged.

Part of tutorial

Introduction

Contributing to open source software.

Tutorial

Analyzing dependencies

Analyzing dependencies in IntelliJ IDEA.

Part of tutorial

Introduction

How to analyze dependencies in IntelliJ IDEA.

Part of tutorial

Dependency Analyzer

Using the Dependency Analyzer in IntelliJ IDEA.

Part of tutorial

Dependency Diagram

Using the Dependency Diagram in IntelliJ IDEA Ultimate.

Part of tutorial

Summary and Shortcuts

A summary of how to analyze dependencies in IntelliJ IDEA.

Tip

Dependency Details Pane

See relevant information about your dependencies.

Tip

Duplicate Lines

Sometimes you want to duplicate the current line or a selected block of code.

Tip

Refactor Rename

Quickly renaming classes, methods, and variables in IntelliJ IDEA.

Tip

Upgrade Dependencies

Upgrade dependencies from your `pom.xml` file.

Tip

Compare with Clipboard

Quickly compare two files right inside your IDE.

Tip

Font

Configure your font, font size, and more so your IDE works for you.

Tip

Extract Variable

Extract code to a variable

Tip

Presentation Mode Font Size

Configure font size for Presentation Mode to suit your audience.

Tip

Presentation Mode

Enter and Exit Presentation Mode using the Quick Switch Scheme.

Tutorial

Bookmarks

Using bookmarks in IntelliJ IDEA

Part of tutorial

Add anonymous bookmarks

How to add bookmarks without an identifier.

Part of tutorial

Introduction

Using bookmarks in IntelliJ IDEA.

Part of tutorial

Add mnemonic bookmarks

How to add bookmarks with an identifier.

Part of tutorial

Navigate to bookmarks

How to navigate to created bookmarks.

Part of tutorial

Summary and Shortcuts

Using bookmarks in IntelliJ IDEA Summary.

Tutorial

Package Checker

Find and fix vulnerabilities inside IntelliJ IDEA Ultimate.

Part of tutorial

Gradle projects

View vulnerable dependencies in Gradle projects.

Part of tutorial

Introduction

Package Checker plugin in IntelliJ IDEA Ultimate.

Part of tutorial

Summary and Shortcuts

Find and fix vulnerabilities inside IntelliJ IDEA Ultimate Summary.

Part of tutorial

Remediate dependencies

Remediate dependencies using IntelliJ IDEA Ultimate.

Part of tutorial

Maven projects

View vulnerable dependencies in Maven projects.

Part of tutorial

Vulnerable Dependencies tool window

View vulnerable dependencies in the Vulnerable Dependencies tool window.

Tip

Enable Mouse Zoom

Enable mouse zoom to quickly enlarge (or reduce) your font size.

Tip

Refactor This

You can use one keyboard shortcut for all refactoring options inside your IDE.

Tip

Create scratch files

Turn show line numbers off and on

Tip

Show Line Numbers

Turn show line numbers off and on as required.

Tutorial

Managing dependencies

Managing dependencies in IntelliJ IDEA.

Part of tutorial

Add dependencies

Different ways to add dependencies in IntelliJ IDEA.

Part of tutorial

Introduction

Managing dependencies in IntelliJ IDEA.

Part of tutorial

Summary and Shortcuts

Managing dependencies in IntelliJ IDEA Summary.

Part of tutorial

Upgrade dependencies

Upgrade dependencies using Package Search.

Part of tutorial

Remove dependencies

Remove dependencies using Package Search.

Tutorial

Viewing dependencies

Different ways to view dependencies in IntelliJ IDEA.

Part of tutorial

Dependency management config file

View dependencies in the dependency management config file.

Part of tutorial

Build tool window

View dependencies in the build tool window.

Part of tutorial

Dependency tool window

View dependencies in the dependency tool window.

Part of tutorial

Introduction

Different ways to view dependencies in IntelliJ IDEA.

Part of tutorial

Project tool window

View dependencies in the Project tool window.

Part of tutorial

Summary and Shortcuts

View dependencies in IntelliJ IDEA Summary.

Tutorial

Presenting with IntelliJ IDEA.

Tips & tricks to level up your presentation skills with IntelliJ IDEA.

Part of tutorial

Introduction to Presenting with IntelliJ IDEA

Tips & tricks to level up your presentation skills with IntelliJ IDEA.

Part of tutorial

Font

Configuring font and font size.

Part of tutorial

Mouse Zoom

How to enable mouse zoom.

Part of tutorial

Bookmarks

Using bookmarks for navigation.

Part of tutorial

Navigation

Shortcuts to navigate a project.

Part of tutorial

Using Presentation Mode

How to enter and exit Presentation Mode.

Part of tutorial

Shortcuts

Ways to learn shortcuts.

Part of tutorial

Summary and Shortcuts

Presenting with IntelliJ IDEA Summary.

Part of tutorial

Soft-wrap

Use soft-wrap to prevent horizontal scrolling.

Part of tutorial

Theme

Selecting a theme.

Part of tutorial

Tool windows

Using tool windows with shortcuts.

Tutorial

Git interactive rebase

How to clean up your Git commit history with Git interactive rebase.

Part of tutorial

Introduction to Git interactive rebase

What is Git interactive rebase and why would you use it?

Part of tutorial

From the Command Line

Using Git interactive rebase from the command line.

Part of tutorial

From the UI

Using Git interactive rebase in the UI.

Part of tutorial

Summary and Shortcuts

Git interactive rebase Summary.

Author

Marit van Dijk

Java Developer Advocate