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emanuele longo
emanuele longo

Posted on • Originally published at Medium

Modern C# Properties: Beyond Getters and Setters

πŸ“ Full guide published on Medium.

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Properties in C# are often seen as just a cleaner way to expose fields β€” but in reality, they’re a powerful abstraction that has evolved significantly over the years.

From simple auto-properties to validation logic, computed values, and advanced patterns for immutability, modern C# (especially the latest versions like C# 9, 11, and 14) offers many capabilities that can make your code safer, clearer, and more maintainable.

Why You Should Care

Here’s why properties deserve more attention:

βœ… They protect your domain model with validation rules
βœ… They can enforce immutability in a clean, declarative way
βœ… They simplify derived/calculated data
βœ… They integrate with pattern matching and nullable reference types
βœ… They keep APIs clean and self-documenting

And in recent C# releases, properties have gained new features that many developers still underuse, including:

  • Init-only properties for immutable objects
  • Required properties to ensure proper initialization
  • Nullable annotations for safer reference types
  • Field-backed properties for simpler validation logic
  • And more improvements coming soon

Curious About All the Latest Features?

I’ve put together a detailed article covering:

  • What’s changed in properties from C# 9 up to C# 14
  • Examples of validation, lazy loading, and computed properties
  • Best practices and patterns you can apply right now
  • A glimpse into future possibilities, like async properties

If you work with C# and want to write modern, professional, and safe code, this resource will help you level up.


** Thanks for Reading!

Read the full guide on Medium for full context and examples.**

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