EnumSet

Top Architect

Jan 4, 2025 · Backend Development

A Comprehensive Guide to Java Enums: Basics, Advanced Techniques, and Design Patterns

This article explains what Java enums are, why they are preferable to constants, demonstrates basic and custom enum definitions, shows how to compare, switch, and extend enums with properties, methods and constructors, and explores advanced uses such as EnumSet, EnumMap, Singleton and Strategy patterns, including Java 8 stream examples and JSON serialization.