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#

So far, we have seen only one LINQ method, the `Where` method. LINQ has more methods available. Let's look at some other common LINQ methods.

# How to transform a collection

With the `Select` method, we can transform every element of a collection. It applies a **transformation**, or mapping function, to every element of the input collection.

For example, let's find the names of only our favorite movies.

Learn how to transform a collection with Select.

Getting Started

LINQ Method: Where

Common LINQ Methods

Syntax & Pitfalls

Refactor with LINQ

What's New in LINQ?

Wrap-up!

The Select Method

How to transform a collection