Java 17 Quick Syntax Reference: A Pocket Guide to the Java SE Language, APIs, and Library

© Mikael Olsson 2022

M. OlssonJava 17 Quick Syntax Referencehttps://doi.org/10.1007/978-1-4842-7371-5_20

20. Enum

Mikael Olsson¹  

(1)

Hammarland, Länsi-Suomi, Finland

 

An enumeration, or enum , is a type that consists of a fixed list of named constants. To create one, the enum keyword is used followed by a name and a code block containing a comma-separated list of constant elements. The access level for an enum is the same as for a class. Package-private by default, but it can also be set to public if it’s declared in a file of the same name. As with classes, an enum can also be contained within a class, where it can then be set to any access level.

enum Speed

{

  STOP, SLOW, NORMAL, FAST

}

An object of the enum type just shown can hold any one of the ...