Introduction to Enum Classes
Explore the fundamentals of enum classes in Kotlin. Learn to create and use enums to represent fixed value sets, access their properties, and apply them in conditional logic to build clearer and more maintainable code.
In this chapter, we’re going to introduce the concept of enum classes. Let’s start with an example. Suppose that we’re implementing a payment method that has to support three possible options:
Cash payment
Card payment
Bank transfer
Using enum values
The most basic way to represent a fixed set of values in Kotlin is an enum class. Inside its body, we list all the values, divided by a comma. ...