Unlock the power of maps in Apex! 🗺️ - Part 2 | Apex Collections - Salesforce Apex Tutorial Part 13
Hello Trailblazers, In this follow-up video, we'll delve deeper into map manipulation and explore essential techniques:
1. Key existence: Learn how to efficiently check if a specific key is present within a map.
2. Empty maps: Discover how to determine if a map is empty or contains elements.
3. Clearing maps: Explore technique for removing all elements from a map at once.
4. Extracting keys and values: Learn how to retrieve a map's keys and values independently.
5. Functions vs. methods: As a side note, also understand the key differences between functions and methods in Apex
Chapters:
0:00 Introduction
0:26 Check if a key is present inside a map?
3:04 Difference between function and method in apex
3:37 Check if the map is empty or not?
4:31 Clear/Remove all elements from the map
5:13 Demo of isEmpty() and clear()
7:57 Get all keys and values from the map separately
14:24 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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