Get immediate access to this and over 1,500+ other videos and books.

Boost your skills with a Beginner subscription. With over 60+ video courses and our core foundational programming books bundled in one subscription, it’s simply the best investment you can make in your development career.

Create & Populate Maps

Learn how to create and populate Maps, a useful collection in Dart.


Heads up... You've reached locked video content where the transcript will be shown as obfuscated text.

You can unlock the rest of this video course, and our entire catalogue of books and videos, with a Professional subscription.

You’re ready to learn about another extremely useful collection type in Dart: maps.

var emptyMap = {};
var anotherMap = Map<String, int>();
var namesAndPets = { 'Ron': '🐀 Rat', 'Rincewind': '🛄 Luggage', 'Thor': '🔨 Hammer', 'Goku': '☁️ Flying Nimbus' }; 
namesAndPets['🐶 Cosmos'] = 'Brian';
namesAndPets['Ron'] = '🦉 Owl';