Dart #13 Basics – Maps in Dart | Add, Update, Delete + Built-in Functions
🗺️ Dart Maps – Full Built‑in Function Reference & CRUD Basics
In this video, you'll explore all essential operations and the powerful built-in methods available when working with Map in Dart.
🔹 Basic CRUD Operations:
Create/initalize a map
Access values by key
Add new key-value pairs (map[key] = value)
Update existing entries
Delete a key (remove(key))
Check existence (containsKey)
🛠️ Built-in Functions Covered:
forEach
keys → list of all keys
values → list of all values
entries → iterable of MapEntrys
isEmpty / isNotEmpty
length
putIfAbsent
removeWhere
map((key, value)
update
updateAll
addAll(otherMap)
clear()
📚 You’ll see live code examples of each function so you can easily remember and apply them in your own Flutter or Dart projects.
💬 Whether you’re working with JSON data or building Flutter UI logic, mastering Maps is essential.
👉 Part of the Flutter Tutorial playlist — subscribe to stay tuned as we cover Sets, JSON parsing, and more.