#REST API

2 posts

• 

  Spring Boot Pre-Interview Guide: Comprehensive Assignment

  Jan 23, 2026

  Spring Boot-based online marketplace REST API comprehensive assignment — from product, order, and member domain design to testing and deployment

• 

  Spring Boot Pre-Interview Guide Part 1: Core Application Layer — Controller, Service, Repository, Domain

  Jan 9, 2026

  The four-layer design points evaluators repeatedly flag in Spring Boot pre-interview assignments — Controller/Service/Repository/Domain responsibility split, Request → Command conversion, what @Transactional(readOnly=true) actually does, and the three-tier priority of GlobalExceptionHandler. Series Part 1.