Enums 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 …

Though Rust uses the enum keyword like C, it uses it to describe tagged unions, of which enums can be considered a degenerate form. Rust's enums are therefore much more flexible and can …

Oct 9, 2025 · In Java, enumerations (enums) are a special type used to define a group of named constants.

May 18, 2021 · Enums, or enumerated types, are a list of constant values with developer-friendly names. They're used in programming to commonly used to establish a set of predefined …

An enum type is a special data type that enables for a variable to be a set of predefined constants. The variable must be equal to one of the values that have been predefined for it. …

Jan 17, 2011 · You should always use enums when a variable (especially a method parameter) can only take one out of a small set of possible values. Examples would be things like type …

Aug 4, 2025 · Enums in Java are special classes that represent a fixed set of constants. They make code more readable, type-safe, and maintainable compared to traditional constant …

Jul 23, 2025 · In modern Java development, enums are more than just a fancy replacement for public static final constants. They are full-fledged types that bring type safety, expressiveness, …

Jun 9, 2025 · In Java, an enum (short for enumeration) is a special data type that allows you to define a set of named constants. Enums provide a way to create a type with a fixed set of …

Jan 5, 2024 · In this tutorial, we’ll learn what Java enums are, what problems they solve, and how some of their design patterns can be used in practice. Read more. Java 5 first introduced the …