Flutter for Beginners

Encapsulation

Dart does not contain access restrictions explicitly, like the famous keywords used in Java—protected, private, and public. In Dart, encapsulation occurs at the library level instead of at the class level (this will be discussed further in the following chapter). The following also applies:

• Dart creates implicit getters and setters for all fields in a class, so you can define how data is accessible to consumers and the way it changes.
• In Dart, if an identifier (class, class member, top-level function, or variable) starts with an underscore( _ ), it's private to its library.

We will check out the definition of libraries in Chapter 2, Intermediate Dart Programming. Here, we will also cover in more detail how privacy works in ...