Free
CourseLearn C#: References
Unlock the power of references, an essential aspect of object-oriented programming in C#.
Start
1,007 learners enrolled
Skill level
BeginnerTime to complete
Approx. 3 hoursCertificate of completion
Included with paid plansPrerequisites
1 courseWe suggest you complete the following courses before you get started with Learn C#: References:- Learn C#: Classes, Objects, Interfaces, and Inheritance
About this course
Continue your C# learning journey with Learn C#: References. Learn about reference types like objects and interfaces, and how they differ from value types like int
and bool
. Dive into the Object
and String
reference types and see how valuable they are in programming.
Skills you'll gain
Upcast references
Create null references
Implement the
Object
type
Syllabus
Learn C#: References
Unlock the power of references: an essential aspect of object-oriented programming in C#.
The platform
4 out of 5 Codecademy learners achieve their goals
"Codecademy gave me the tools I needed to land my first job as a developer, completely changing my career from the waste industry." - Jonathan Manner, Sweden
Meet the creator of the course

Zoe Bachman
Curriculum Director 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.ChrisCodecademy 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.RodrigoCodecademy Learner @ UK
- Brilliant learning experience. Very interactive. Literally a game changer if you're learning on your own.John-AndrewCodecademy Learner @ USA
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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.