Dart·Dart essentials

Collections

Lists, sets and maps are built in, with map/filter-style methods.

Beginner 10 min read Lesson 3 of 150 Challenge included
What you will be able to do
  • Use List and Map.
  • Use map, where and fold.
  • Use final for references.

In plain English

Lists, sets and maps are built in, with map/filter-style methods.

  • Use List and Map.
  • Use map, where and fold.
  • Use final for references.
collections.dartDART
final lessons = ['HTML', 'CSS', 'SQL'];
final long = lessons.where((l) => l.length >= 3).toList();
print(long);
Your turn

Explain it back

Easy

Answer from memory: Which method filters a collection in Dart?

TEXT · starter
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Knowledge checkQuestion 1

Which method filters a collection in Dart?

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