Working With Code in IntelliJ IDEA (The Course)
With Membership
Suggested price

Course Info

This course includes 3 attempts.

This is a hands-on course based on Part II of the book Getting to Know IntelliJ IDEA. You will learn:

  • The key features that help you write code by walking you through a simple but complete tutorial.
  • How code completion and code generation reduce errors in your code.
  • How to write code that works first, and then use IntelliJ IDEA's suggestions to reshape it afterwards.
  • How to move through your code with keyboard shortcuts.
  • How IntelliJ IDEA can help you to read and understand code.
  • Key shortcuts and tips for working with code.

This course is based on IntelliJ IDEA 2023.3 and shows you how to work with the New UI.



  • Computers and Programming
  • Software
  • Java
  • IDEs
  • Automated Software Testing

Course Material

  • Introduction
  • Signposts to look out for
  • A note about versions
  • A note about shortcuts
  • Writing code
  • Creating a project
  • Generating the code for your first class
  • Using code completion to finish your class
  • Intermission: Take the quiz
  • icon/quiz Created with Sketch.
    Quiz: Creating projects and getting started3 attempts allowed
  • Running your code
  • Navigating around your code
  • Finishing your code
  • Take the quiz
  • icon/quiz Created with Sketch.
    Quiz: Running and fixing your code3 attempts allowed
  • Creating code quickly
  • Basic Completion: Suggestions while you type
  • Smart Completion: Type-sensitive suggestions
  • Postfix Completion: Just keep typing
  • Complete Current Statement: Complete your code’s structure
  • Intermission: Take the quiz
  • icon/quiz Created with Sketch.
    Quiz: Creating code quickly with code completion3 attempts allowed
  • Live Templates: Generate common code structures
  • Create a new…
  • Generate from missing code
  • Take the quiz
  • icon/quiz Created with Sketch.
    Quiz: Creating code quickly with code generation3 attempts allowed
  • Fixing and changing your code
  • See suggestions in the editor
  • Fix errors
  • Improve code
  • Change code
  • Check spelling
  • Take the quiz
  • icon/quiz Created with Sketch.
    Quiz: Fixing and changing your code3 attempts allowed
  • Moving through your code
  • Finding anything
  • Viewing and opening recent files
  • Viewing and moving to recent locations
  • Going to a specific line
  • Moving backward and forward through code
  • Moving between your code and its test
  • Finding where this code is used
  • Seeing details of the code you are calling
  • Take the quiz
  • icon/quiz Created with Sketch.
    Quiz: Moving through your code3 attempts allowed
  • Understanding code
  • Hints in the editor
  • API and documentation at a glance
  • Readable code documentation
  • Hide distracting code
  • Syntax highlighting for embedded code
  • Intermission: Take the quiz
  • icon/quiz Created with Sketch.
    Quiz: Understanding code in the editor3 attempts allowed
  • Code use and data values
  • Understanding the flow of your code
  • Understanding changes over time
  • Getting insight into the code’s intended behaviour
  • Take the quiz
  • icon/quiz Created with Sketch.
    Quiz: Understanding the context of your code3 attempts allowed
  • Activating your muscle memory with Keyboard Shortcuts
  • Focus on the editor
  • “Get me out of here”
  • Extra-fast copy/cut line
  • Duplicate line or selection
  • Delete line
  • Format code
  • Multiple carets
  • Multi-line Strings
  • Take the quiz
  • icon/quiz Created with Sketch.
    Quiz: Activating your muscle memory3 attempts allowed
  • Summary of keyboard shortcuts
  • Full List of Keyboard Shortcuts
  • Wrap Up


    • Trisha is a software engineer, Java Champion and author. Trisha has developed Java applications for a range of industries of all sizes, including finance, manufacturing and non-profit, and she lead the Java Advocacy Team at JetBrains. She has expertise in Java high-performance systems and dabbles with Open Source development.

      Trisha’s exceptionally passionate about sharing things that help real developers. That might be: getting them up to speed on the latest version of Java; teaching them tips and tricks to save time with IntelliJ IDEA; or promoting healthy technical communities across the globe. Trisha values helping all developers level up their career and skills at every step of their journey.

      Read more from Trisha in the books “Head First Java”, “97 Things Every Java Developer Should Know” and “What to Look for in a Code Review”.

    • Helen is passionate about all things technology and loves working with the development community to help them be awesome. Helen believes that content creation and communication are the best ways to engage with the community and help everyone learn together.

      Helen has worked at numerous software companies and has experienced the highs and lows of the software development cycle at all stages. Helen loves to learn new tools and technologies and share that journey of exploration.

      Helen has a Computer Science degree from The University of Sussex and a Diploma in Technical Communications from Sheffield Hallam University.

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