Groovy OOP

Object-oriented programming in Groovy. Classes, traits, enums, design patterns, annotations, immutable objects, and builder patterns.

Convert String to Enum in Groovy – 12 Tested Examples

Avatar for RahulGroovy
every way to handle Groovy string to enum conversion with 12 examples. valueOf, safe conversion, case-insensitive lookup, and more. Complete guide for Groovy 5.0.6. “Converting a string to an enum is simple until it isn’t. Handle the edge cases up front, and you’ll thank yourself every time bad data hits your system.” Last Updated: July 2026 | Tested on: Groovy 5.0.6, Java 17+ | Difficulty: Beginner to Intermediate | Reading Time: 16 minutes A groovy string to enum conversion sounds ... Read More

Groovy Enum Complete Guide – Constants, Methods, Best Practices with 12 Examples

Avatar for RahulGroovy
Magic strings spread fast: ‘ACTIVE’ here, ‘active’ there, and eventually a typo that sails through review and breaks production on a Friday. Enums kill that entire bug class with compile-checked names. This Groovy enum guide works through 12 tested examples, from constants, constructors, and interfaces to state machines and JSON handling, all verified on Groovy 5.0.6. “If you’re using magic strings or integer constants to represent a fixed set of values, you’re writing bugs that haven’t happened yet. Enums exist ... Read More