Groovy classes and inheritance are explained here with 12 tested examples. Learn class declaration, properties, methods, abstract classes, and polymorphism on Groovy 5.x. “A well-designed class hierarchy is like a well-organized toolbox – everything has its place, and you can find what you need without digging.” Grady Booch, Object-Oriented Analysis and Design Last Updated: March 2026 | Tested on: Groovy 5.x, Java 17+ | Difficulty: Intermediate | Reading Time: 20 minutes Object-oriented programming is the backbone of most real-world applications, ... Read More