Free
Course

Learn C++: Functions

Use C++ functions to write more flexible, modular, reusable code.

Start
1,610 learners enrolled

  • Skill level

    Beginner

  • Time to complete

    Approx. 3 hours

  • Certificate of completion

    Included with paid plans

  • Prerequisites

    1 course

About this course

Continue your C++ learning journey with Learn C++: Functions. Learn about functions, a way to reuse the same blocks of code over and over throughout your program. Use your new functions knowledge to create multi-file programs that include header files.

Skills you'll gain

  • Write your own functions

  • Implement those functions

  • Understand scope

Syllabus

Start
The platform

Hands-on learning

Don’t just watch or read about someone else coding — write your own code live in our online, interactive platform. You’ll even get AI-driven recommendations on what you need to review to help keep you on track.
Animated demonstration of running code in Codecademy's learning environment

Projects in this course

Reviews from learners

  • The progress I have made since starting to use codecademy is immense! I can study for short periods or long periods at my own convenience - mostly late in the evenings.
    Chris
    Codecademy Learner @ USA
  • I felt like I learned months in a week. I love how Codecademy uses learning by practice and gives great challenges to help the learner to understand a new concept and subject.
    Rodrigo
    Codecademy Learner @ UK
  • Brilliant learning experience. Very interactive. Literally a game changer if you're learning on your own.
    John-Andrew
    Codecademy Learner @ USA

Our learners work at

  • Google Logo
  • Meta Logo
  • Apple Logo
  • EA Logo
  • Amazon Logo
  • IBM Logo
  • Microsoft Logo
  • Reddit Logo
  • Spotify Logo
  • Uber Logo
  • YouTube Logo
  • Instagram Logo

Unlock additional features with a paid plan

  • Practice Projects

    Guided projects that help you solidify the skills and concepts you're learning.

  • Assessments

    Auto-graded quizzes and immediate feedback help you reinforce your skills as you learn.

  • Certificate of Completion

    Earn a document to prove you've completed a course or path that you can share with your network.
See pricing and plans

Join over 50 million learners and start Learn C++: Functions today!

Start