Collections in Salesforce Apex [List, Set, & Map Explained]
Collections in Apex (List, Set, and Map) are simply ways to store and manipulate multiple values in a single variable. In day‑to‑day Salesforce development, you use them all the time in SOQL queries, triggers, and batch jobs to stay within governor limits and keep your code clean. While working as a Salesforce developer, I was tasked … Read more >>>