C# learning path

Object-Oriented C#

Build maintainable C# programs with classes, properties, inheritance, interfaces, records, and generics.

8 lessons

Model state and behavior together in a C# class.

Protect object invariants with validated properties.

Reuse and specialize behavior through a base class.

Call different implementations through one shared contract.

Define capabilities that unrelated types can implement.

Represent immutable data with concise record types.

Write reusable, type-safe classes and methods.

Assemble behavior from collaborating objects.