Dart · Easy

Lesson 1 · On the house

Named and optional parameters

Positional optional [ ], named { }, required, and default values.

Lesson 2

Sets, spreads and collection-if

Set literals, ... and ...?, collection if/for inside list and map literals.

Lesson 3

Iterable pipelines

map, where, fold, expand, any/every, and lazy Iterables versus lists.

Lesson 4

Constructors in depth

this.field shorthand, initializer lists, named, const and factory constructors.

Lesson 5

Getters, setters and privacy

get/set members, computed properties, and underscore library privacy.

Lesson 6

Inheritance, interfaces and mixins

extends, abstract classes, implements, with, and @override.

Lesson 7

Enhanced enums

Enum values, fields and constructors, members, and exhaustive switches.

Lesson 8

Exceptions

throw, try/on/catch/finally, rethrow, and custom exception types.

Lesson 9

Futures and async/await

Future<T>, async functions, await, error handling, and Future.wait.

Lesson 10

Records and patterns

Positional and named record fields, destructuring, and switch expressions.