Collections

Lesson in the Flutter Roadmap · Stage 11: Advanced Dart

Last updated 14 September 2026

What is Collections?

Dart provides built-in collections like Lists (ordered, indexed), Sets (unordered, unique), Maps (key-value pairs), Queues (FIFO), and Stacks (LIFO) for efficient data storage and manipulation, useful in various scenarios like data storage, state management, and algorithm implementation.

Study this in the interactive course See the whole Flutter roadmap

Free resources to learn Collections

Official docsGeneric Collections in Flutter
Official docsIterable Collections

Collections: common questions

Can I learn Collections in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Collections in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this Collections tutorial for beginners?

It is lesson 55 of 108 in the free Flutter roadmap, in stage 11, Advanced Dart. If you are new to Flutter, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.