Flutter for Beginners

Dart classes and constructors

Dart classes are declared by using the class keyword, followed by the class name, ancestor classes, and implemented interfaces. Then, the class body is enclosed by a pair of curly braces, where you can add class members, that include the following:

• Fields: These are variables used to define the data an object can hold.
• Accessors: Getters and setters, as the name suggests, are used to access the fields of a class, where get is used to retrieve a value, and the set accessor is used to modify the corresponding value.
• Constructor: This is the creator method of a class where the object instance fields are initialized.
• Methods: The behavior of an object is defined by the actions it can take. These are the object functions. ...