Modern C# Patterns Dependency Injection Patterns Primary Constructors (.NET 10) Options Pattern Result Pattern (instead of exceptions for expected failures) Repository Pattern with Specification Guard Clauses Extension Methods Async Patterns C# 15 New Features Extension Members (Extension Everything) Field-Backed Properties Null-Conditional Assignment .NET 10 Key Features - AOT improvements : Faster startup, smaller binaries for cloud-native - Blazor Web App enhancements : Improved render mode handling, streaming SSR - Minimal API improvements : Better parameter binding, endpoint filters - EF…