Dart Extension Methods for Beginners: Add to Any Type
Learn Dart extension methods and add your own methods to String, int, and List without subclassing. Clear, runnable examples built for Flutter beginners.
Learn Dart extension methods and add your own methods to String, int, and List without subclassing. Clear, runnable examples built for Flutter beginners.
Learn Dart generics the practical way: use type parameters to write one class that works with any type, keep it type-safe, and stop casting with Object.
Learn Dart abstract classes the practical way: mark a blueprint with abstract, force subclasses to implement it, and see when to use implements over extends.
Learn Dart getters and setters with clear, tested examples: build a computed getter, guard a value with a setter, and know when a plain field is enough.
Learn Dart enums the practical way: declare one, use them in a switch Dart checks for you, read .values and .name, then add data with Dart 3 enhanced enums.
Learn Dart mixins the beginner way: declare one, share it with the with keyword, stack several, use the on keyword for constraints, and know when to use one.
Learn Dart inheritance step by step: use extends to share code, pass values up with super, override methods cleanly, and avoid the usual beginner mistakes.
Learn Dart classes and constructors step by step: build objects, use the this shorthand, add named constructors, and print them cleanly with toString.
Learn Dart sets the practical way: create them, strip duplicates from a list, test membership fast, and combine sets with union, intersection, and difference.
Learn Dart functions the beginner way: write them, return values, and use positional, named, optional, and required parameters with clear, tested examples.