Gain insights into LINQ in C#, learn about lambda expressions, explore common LINQ methods, avoid pitfalls, and refactor code to be more expressive and efficient.

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LINQ is the best feature in C#. If you’re interested in writing more expressive code to work with collections, this course is for you. In this course, you will learn about what LINQ is and what lambda expressions are. You will learn the most common LINQ methods and some common pitfalls to avoid when using LINQ. You will also write your first methods using LINQ and use LINQ to refactor some common constructs.

Getting Started with LINQ in C#

## About this course

Welcome! In this course, you’ll learn about LINQ and collections, from what LINQ is, to its most common methods, to its new methods and overloads in .NET 6. This course also covers how to fix some common pitfalls when using LINQ for the first time, and how to use LINQ to refactor conditionals.

This is not an introductory course on C#. You should be comfortable declaring and initializing C# objects and working with conditionals, loops, and collections such as arrays and lists, but, we’ll go over what we need to know to start working with LINQ. 

## Prerequisites

Before diving into our first LINQ method, we need to tackle two prerequisites: extension methods and lambda expressions.

There are two lessons and two quizzes to test your knowledge of these subjects. If you feel comfortable with these subjects, take the quizzes and go straight to the next lesson. See you there!

# About this course

Welcome! In this course, you’ll learn about LINQ and collections, from what LINQ is, to its most common methods, to its new methods and overloads in .NET 6. This course also covers how to fix some common pitfalls when using LINQ for the first time, and how to use LINQ to refactor conditionals.

This is not an introductory course on C#. You should be comfortable declaring and initializing C# objects and working with conditionals, loops, and collections such as arrays and lists, but, we’ll go over what we need to know to start working with LINQ. 

# Prerequisites

Before diving into our first LINQ method, we need to tackle two prerequisites: extension methods and lambda expressions.

There are two lessons and two quizzes to test your knowledge of these subjects. If you feel comfortable with these subjects, take the quizzes and go straight to the next lesson. See you there!

Get introduced to the course and its prerequisites.

Getting Started

LINQ Method: Where

Common LINQ Methods

Syntax & Pitfalls

Refactor with LINQ

What's New in LINQ?

Wrap-up!

Introduction

About this course

Prerequisites