What is enum and why it is used?

Enums are lists of constants . When you need a predefined list of values which do represent some kind of numeric or textual data, you should use an enum. You should always use enums when a variable (especially a method parameter) can only take one out of a small set of possible values.

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Does Dart have enum?

Dart Enums Enumerated Types (a.k.a. Enums) were added with the release of Dart 1.8 . Enums act like a class that represent a fixed number of constant values. For example, you could have an app that fetches data from a remote server.

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