What is enum value in Java?

An enum is a special “class” that represents a group of constants (unchangeable variables, like final variables) . To create an enum , use the enum keyword (instead of class or interface), and separate the constants with a comma.

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.

Enumeration in C++ Enum is a user defined data type where we specify a set of values for a variable and the variable can only take one out of a small set of possible values. We use enum keyword to define a Enumeration.

An enumeration type (or enum type) is a value type defined by a set of named constants of the underlying integral numeric type . To define an enumeration type, use the enum keyword and specify the names of enum members: C# Copy.