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#

# How to perform an operation carrying the result

The `Aggregate` method applies a function to a collection, carrying the result to the next element. It aggregates the result of a function. The `Aggregate` method takes two parameters: a seed and an aggregating function that takes the accumulated value and one element from the collection.

On the first iteration, the `Aggregate` method executes the aggregating function using the seed and the first element of the collection as parameters. Next, it calls the aggregating function with the previous result as an accumulator and the next element of the collection. 

This is the pseudocode of the `Aggregate` method:

Learn how to apply a function to a collection carrying the result with the Aggregate method.

Getting Started

LINQ Method: Where

Common LINQ Methods

Syntax & Pitfalls

Refactor with LINQ

What's New in LINQ?

Wrap-up!

Aggregate Method

How to perform an operation carrying the result