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Top Architect
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.

Design PatternsEnumMapEnumSet
0 likes · 16 min read
A Comprehensive Guide to Java Enums: Basics, Advanced Techniques, and Design Patterns
Selected Java Interview Questions
Selected Java Interview Questions
Aug 23, 2024 · Backend Development

Understanding Java EnumMap: Concept, Usage, and Implementation

This article explains Java's EnumMap, covering its definition, key characteristics, how to create and use it with code examples, its efficient array‑based implementation, and practical test cases, demonstrating why EnumMap is a high‑performance map for enum keys in backend development.

CollectionsEnumMapJava
0 likes · 8 min read
Understanding Java EnumMap: Concept, Usage, and Implementation