Stage 1 · Lesson 8 of 8
Modern C#: properties, records and primary constructors
C# gives you properties instead of Java-style getters and setters, with init for values that can only be set when the object is created. give value equality and non-destructive copies with the with expression. Primary let a class declare its dependencies in one line, which pairs well with the built-in in ASP.NET Core.
Interfaces can have default implementations, and pattern matching with switch expressions handles many cases that once needed a . Learn these on a current .NET release and read the official C# guide for the version you use.
Common trapcopying older C# samples that expose public setters on every property, which undoes just as much as public fields.
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Resources for this stage
Start with· follow one of these
- CoursePaidGrokking the Object Oriented Design Interview
Design Gurus · Intermediate · Subscription
Its opening chapters teach the four OOP ideas applied inside real designs, with UML and running code
- CourseFreeMIT 6.102: Software Construction
MIT · Intermediate
Free MIT readings: Abstract Data Types, Rep Invariants and Interfaces and Subtyping are this stage at university depth