# C# 14 / .NET 10 Concept Map

## Platform and Tooling

- Modern .NET versus legacy .NET
- SDK versus runtime
- Project files and solution files
- Visual Studio, VS Code, Rider, and command-line workflows
- `dotnet` CLI commands
- SDK pinning with `global.json`
- Build, restore, test, format, pack, publish
- Cross-platform deployment and Linux/Windows differences

## C# Language

- Grammar, vocabulary, keywords, identifiers, expressions, statements
- Variables, constants, type inference, literals
- Value types, reference types, nullable types
- Operators, conversions, casting, parsing, overflow checking
- Selection, iteration, pattern matching
- Exception handling and guard clauses
- Functions, parameters, return values, tuples, local functions
- Classes, structs, records, fields, methods, properties, indexers
- Encapsulation, abstraction, composition, inheritance, polymorphism
- Interfaces, generics, delegates, events, extension methods
- Nullable reference types and null-safety

## .NET Libraries

- Numbers, strings, dates, text formatting
- Collections and dictionaries
- Regular expressions
- Filesystem, streams, encodings
- JSON and XML serialization
- Logging, diagnostics, debugging, testing

## Data and Querying

- EF Core models, DbContext, providers
- Database First and Code First
- LINQ to Objects and LINQ to Entities
- Filtering, projection, sorting, grouping, joins, aggregates
- Tracking, no-tracking, transactions, migrations, concurrency
- Unit of Work and generic repository pattern

## Web

- ASP.NET Core pipeline and middleware
- Dependency injection and configuration
- Static assets
- Blazor components, forms, lifecycle, render modes
- Minimal API endpoints
- OpenAPI documentation
- HTTP client consumption
- Health checks and security headers

## Packaging and Deployment

- Class libraries
- NuGet packages
- Framework-dependent and self-contained publishing
- Single-file publishing
- Trimming
- Native AOT