Getting Started Articles
Step-by-step introductory articles for those new to Spring Boot, from environment setup to core concepts.
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Implementing CRUD REST API with Spring Boot - Basic Structure of Controller, Service, and Repository
A step-by-step guide to implementing CRUD (Create, Read, Update, Delete) REST API with Spring Boot. Build the three-layer architecture of Controller, Service, and Repository from scratch, and walk through setting up all four endpoints: GET, POST, PUT, and DELETE.
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What is Spring Boot Starter?
A beginner-friendly explanation of the role and mechanism of Spring Boot Starters. Covers how to choose key Starters like spring-boot-starter-web, why dependency management becomes easier, and common pitfalls to watch out for.
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What is Spring AOP? Inserting Pre/Post Processing Around Methods with Spring AOP
Spring AOP is a mechanism that lets you write cross-cutting concerns — such as logging and authorization checks — separately from your business logic. This article explains the concepts behind Spring AOP in an easy-to-understand way, and introduces how to set it up in Spring Boot along with basic usage examples.
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Introduction to Dependency Injection with Spring Boot
A clear overview of DI (Dependency Injection) — from its meaning and benefits to how to write it in Spring Boot — as a first step toward testable design.
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Why Is Spring Boot Commonly Used in Business System Development?
Explains why Spring Boot is chosen for business systems from the perspectives of development speed, maintainability, and operability. Covers which projects it suits and which it doesn't, along with pre-adoption checkpoints from a practical standpoint.