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C# 9 Development

What you'll learn

  • Essential C# syntax
  • Implementing object-oriented designs in C#
  • Using generics, collection classes, and exceptions
  • Using LINQ and EF
  • Introduction to asynchronous programming
  • Creating REST services using Web API
  • What's new in C# 8 and C# 9


  • At least 6 months programming experience
  • Familiarity with OO concepts would be an advantage

Course details

  • Introduction to C# and .NET: .NET Framework building blocks; Hello world in C#; Using Visual Studio 2019; .NET Framework vs. .NET Core
  • Core C# Programming Constructs: Variables, operators, and statements; Reference types vs. value types; Conversions; Nullable types; Using the Console and String classes; Flow-of-control; Pattern matching; Using implicit types
  • More C# Programming Constructs: Defining methods; Input, output, and optional parameters; Local functions; Method overloading; Arrays; Structures
  • Defining and Using Classes: Defining classes; Defining constructors and finalizers; Defining properties; Creating and disposing objects; Defining constants and read-only fields; Static members; Partial classes/methods; Deconstruction; Managing NuGet packages
  • Inheritance and Polymorphism: Defining base classes and derived classes; Overriding methods; Abstract classes; Interfaces
  • Exception Handling: Defining Try/Catch/Finally blocks; Throwing exceptions; Throw expressions; Defining new exception classes; Defining Using blocks
  • Creating Collections of Objects: Overview of generics; Using List collections; Using Dictionary collections
  • Delegates, Events, and Lambdas: Overview; Defining simple delegates; Defining and handling events; Using lambda expressions; Expression-bodied members
  • Additional Language Features: Operator overloading; Extension methods; Initializer syntax for objects, lists, and dictionaries; Anonymous types; Tuples
  • Introduction to LINQ: The role of LINQ; Simple LINQ query expressions; Using LINQ with collections; LINQ query operators
  • Using the Entity Framework: EF classes and DbContext; Implementing relationships; Managing data; Additional techniques
  • Introduction to Asynchronous Programming: Understanding the async and await keywords; Implementing asynchronous code
  • Creating REST Services using Web API: Introduction to REST and Web API; Implementing Web API controllers; Content negotiation; Best practices
  • What’s New in C# 8 and C# 9: Nullable reference types; Improved pattern matching; Asynchronous streams; Record types; Target-typed new and conditional expressions; Additional new features