Unlock the power of maps in Apex! 🗺️ - Part 1 | Apex Collections - Salesforce Apex Tutorial Part 12
Hello Trailblazers, In this video, we'll dive deep into the world of map collections, a fundamental data structure in Salesforce development. You'll learn:
1. What maps are and why they're essential: Understand the concept of key-value pairs and how maps are used to store and retrieve data efficiently.
2. Creating maps: Discover how to initialize and populate map with data.
3. Order matters or not? Explore whether the order of insertion affects the data stored in a map.
4. Retrieving values: Learn how to access specific values based on their corresponding keys.
5. Updating values: Discover how to modify existing values or add new ones to a map.
6. Removing entries: Understand how to delete specific key-value pairs from a map.
Chapters:
0:00 Introduction
0:12 What is a map?
2:08 Create a map in apex
5:39 Order matters? Randomize the order of inserting elements inside a map
7:20 Get value for a key from the map
8:08 Override value at a key inside a map
11:17 Remove entry from a map
13:30 Wrapping Up
Resources:
1. Code Snippet: https://www.sfdcstop.com/2024/08/coll...
2. Salesforce Documentation on Apex Map: https://developer.salesforce.com/docs...
Other Playlists:
1. Apex Data Structures Tutorial: • Apex Data Structures Tutorial
2. Salesforce LWC Tutorial Series: • Salesforce Lightning Web Component (L...
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