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Projects

Real Spring Boot projects, dissected layer by layer — architecture, business logic, persistence, error handling, and tests explained in plain language.

Reading reference documentation is one thing; following a real project from first principles to deployment is another. This domain walks through complete, runnable projects so you can connect the dots between concepts like @Embeddable, @RestControllerAdvice, and BigDecimal and the code you would actually write on the job.

Projects

ProjectDescription
Loan Application EvaluatorSpring Boot REST API that evaluates loan applications using risk classification, EMI calculation, and eligibility rules. Covers layered architecture, JPA embedded objects, validation, and Mockito-based unit tests.

How to Use These Walkthroughs

Each project is broken into focused notes — one per layer or concern. Work through them in the order listed in each project's learning path.

Quick Revision

  • Projects Overview — architecture, business rules, design decisions, and top 5 interview questions on one page.