Published 10/2024
MP4 | Video: h264, 1920×1080 | Audio: AAC, 44.1 KHz
What you’ll learn
Understand the key differences between LINQ and loops
Use the most common LINQ methods to work with collections
Identify and fix common mistakes when using LINQ with collections
Use LINQ to refactor away from conditionals
Learn new LINQ methods and overloads from recent .NET versions
Requirements
Know the C# syntax to declare and initialize objects
Write conditionals (such as if, else, and switch) and loops (such as for, while, and foreach)
Work with collections like arrays and lists
Have the latest version of the .NET SDK installed
Description
Overview
Section 1: Introduction
Lecture 2 What’s LINQ?
Section 2: LINQ vs. Loops
Lecture 3 Filter Collections Using Where
Lecture 4 Understand the IEnumerable Type
Lecture 5 Use LINQ with Older Versions
Lecture 6 Write Extensions Methods
Lecture 7 Write Delegates Using Func and Action
Lecture 8 Write Lambda Expressions
Lecture 9 Exercise: Find Your Favorite Movies
Lecture 10 LINQ and Declarative Programming
Lecture 11 LINQ and Immutability
Lecture 12 LINQ and Laziness
Lecture 13 Wrap-up!
Section 3: Most Common LINQ Methods
Lecture 14 Transform a Collection With Select
Lecture 15 Transform a Collection Using the Position of Elements
Lecture 16 Query Collections with Any and All
Lecture 17 Group Elements of a Collection
Lecture 18 Group Elements and Transform Every Group
Lecture 19 Group Elements by More Than One Property
Lecture 20 Use Anonymous Objects With GroupBy
Lecture 21 Order Elements of a Collection
Lecture 22 Choose One Element with First and FirstOrDefault
Lecture 23 Choose One Element with Last and LastOrDefault
Lecture 24 Choose One Element with Single and SingleOrDefault
Lecture 25 Choose and Leave Out Elements with Take and Skip
Lecture 26 Exercise: Write a Paginate Method
Lecture 27 Exercise: Refactor From Loops to LINQ
Lecture 28 Query Collections of Numbers With Sum, Min, and Max
Lecture 29 Flatten a Collection of Collections With SelectMany
Lecture 30 Find Unique Elements With Distinct
Lecture 31 Perform Set Operations With Intersect, Union, and Except
Lecture 32 Exercise: Use LINQ Methods
Lecture 33 Carry An Operation With Aggregate
Lecture 34 Use LINQ Query Syntax
Lecture 35 Wrap-up!
Section 4: Common LINQ Mistakes
Lecture 36 Use the Right LINQ Methods
Lecture 37 Write Null Checks with FirstOrDefault
Lecture 38 Avoid Multiple Evaluations of a LINQ Query
Lecture 39 Exercise: Remove Mistakes
Lecture 40 Wrap-up!
Section 5: Refactoring With LINQ
Lecture 41 Replace Comparisons with Any
Lecture 42 Replace a Set of Choices with FirstOrDefault
Lecture 43 Validate Objects With All
Lecture 44 Exercise: Add a Recommended Movie
Lecture 45 Wrap-up!
Section 6: New LINQ Features
Lecture 46 Split a Collection Into Buckets With Chunk
Lecture 47 Find Unique Elements With DistinctBy
Lecture 48 Use Take Method with Ranges
Lecture 49 Use FirstOrDefault with a Safe Default
Lecture 50 Count Elements of a Collection With CountBy
Lecture 51 Select Elements And Their Position With Index
Lecture 52 Wrap-up!
Section 7: Conclusion
Lecture 53 Wrap-up!
C# developers who want to write more compact and expressive code when working with collections,C# developers looking to stay up-to-date with LINQ features in recent .NET versions
