Top Architect
Jul 13, 2024 · Backend Development
Do Service Layers Need Interfaces? Arguments, Project Structure, and Practical Recommendations
This article examines whether a Service layer in a Spring‑based backend should use interfaces, critiques the common justifications, proposes a top‑down coding workflow, explores AOP proxy options, and presents modular project structures for single or multiple implementations.
Service LayerSpringbackend architecture
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