Collections in Apex: Why, When, and How to Use Them | Salesforce Dev Day 7
Day 7: Collections in Apex | Learn Salesforce Development the Fun Way
In this episode, we explore one of the core building blocks of Apex programming—Collections. Whether you're dealing with a group of values or need to organize bulk data in Salesforce, understanding Lists, Sets, and Maps is a must.
📌 A Collection in Apex is a variable that can hold multiple records of the same data type.
List: Ordered and allows duplicates
Set: Unordered and stores only unique values
🔍 Topics Covered:
⏱️ 00:00 Intro
⏱️ 01:19 Reunion example to understand use case
⏱️ 05:40 Why we need collections
⏱️ 07:11 What are collections
⏱️ 08:12 Types of collections: List, Set, Map
📚 Resources
🔹 Book – https://amzn.to/3qYH6fs
🔹 Apex Cheat Sheet (India) – https://rspcloudlabs.stores.instamojo...
🔹 Global Version – https://www.buymeacoffee.com/Sfdcques...
🔹 LinkTree – https://linktr.ee/rspcloudlabs
🔹 Apex Collections Docs – https://developer.salesforce.com/docs...
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