Enumerations in C

An enumeration (enum) is a user-defined data type that assigns names to a set of integer values.

In this lesson, you will learn:

• How to define and use enumerations.
• How enum improves code readability.
• How to assign custom values to enumeration constants.

What is an Enumeration?

Enumerations assign names to a set of integer constants.

Example declaration:

enum Color {RED, GREEN, BLUE};

By default, RED is 0, GREEN is 1, and BLUE is 2.