Programming in Dart: Classes

Jun 28 2022 · Dart 2.17, Flutter 3.0, DartPad

Part 2: Learn Inheritance

12. Understand Inheritance

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Previous episode: 11. Introduction Next episode: 13. Override Methods

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Often times, you’ll define a class but you may need to make a slight alteration to a class for a specific situation. This is would result in you either copying and pasting the class to make your edits or you’d jury rig some solution that would increase the overall complexity of the class.

class Person {

String firstName;
String lastName;
Person(this.firstName, this.lastName);
String getFullName() => '$firstName $lastName';
class Student extends Person {

Student(this.firstName, this.lastName);
Student(String firstName, String lastName) : super(firstName, lastName);
Student(super.firstName, super.lastName) 
var student = Student('Ray', 'Wenderlich');