C# Essential Training 2: Generics, Collections, and LINQ

Introduction

• Essentials deep dive
• What you should know

1. Generics

• Understanding generics
• Working with generics
• Defining generic types and methods
• Generic constraints

2. Working with Collections

• Understanding collection types in the BCL
• Choosing the right collection type
• Working with collections
• Working with keyed collections
• Understanding concurrent collections

3. Exception Handling

• Basics of try-catch-finally
• Exception filtering by type with catch
• Exception filtering with when
• Throwing and rethrowing exceptions
• Creating custom exceptions

4. Programming Threads with async and await

• Threading basics
• Basics of using async and await
• Task management
• Handling errors when using await

5. Delegates and Events

• Understanding delegates
• Understanding events
• Common delegates with Action and Func
• Understanding lambda expressions
• Expressions as delegates
• Other uses for expressions

6. Extension Methods

• The case for extension methods
• Writing an extension method
• Using an extension method
• Common extension methods on collections

7. Language Integrated Query (LINQ)

• Understand the purpose of LINQ
• Querying collections with LINQ
• Filtering and ordering queries
• Other sources for LINQ

Conclusion

• Build something and continue learning