Salesforce Apex Master Class (Ep. 19) - What are Maps in Apex?

In this episode we go over what the Map Collection type is in Apex and we discuss how and why to use them! We also do an example in apex together!

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Gabe Hirakawa

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Table of Contents:

0:00 - Intro
0:56 - What is a Map?
3:43 - Creating a Map together in Apex
11:28 - When to use a Map
13:23 - Methods available for Maps

DISCLAIMER: The views and ideas expressed on this YouTube channel and blog are based on past development experiences and may not always work for your particular scenarios. The advice in these videos may also become outdated as technology advances. They should be used as examples for educational purposes only. Using any shown solutions in your own org is not advisable since they are example scenarios.

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[pedroprada]

Thank you Matt... I was also intimidated by this collection type. I was wondering if its always one key and one value.... or could it also be a key and multiple values... I guess it would be a Map <String, List()>?

[srikanthreddyboreddy]

Which platform you are running the code ?