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Class Constructors

Class Constructors

Learn about Dart constructors and their specific uses.

We'll cover the following...

Since Dart is an object-oriented programming language, we should be familiar with its constructors. In this lesson, we’ll learn about constructors and look at various ways to build the constructors of a class.

Normal constructor

Dart
class Student {
  String name;
  int age;
  // constructor
  Student(String name, int age) {
    this.name = name;
    this.age = age;
  }
}

For those with a Java background, this will look familiar. Now let’s look at it in a more sugar-syntactic way:

Dart
class Student {
  String name;
  int age;
  Student(this.name, this.age);
}

Defining a constructor in this way is fine, and the Dart will mean it ...