A clean, in-memory REST API for recording, querying, summarising, and deleting personal expenses. It is intentionally small, but is structured as a production-style ...
A RESTful API built using Java 17 and Spring Boot 3 for managing personal expenses. The application allows users to add, view, filter, summarize, and delete expenses. Data is stored in memory using ...
About this series "Object-Oriented Design Patterns" is a 25-part series that explains the 23 design patterns systematized by the GoF (Gang of Four), one by one, with sample code in Java and C# (.NET).