Spring Full-Stack Practical Cases
Sep 23, 2024 · Backend Development
How to Load Initial Data into Spring Boot 3.2.5: Runners, Beans, and SQL Scripts
This guide explains why pre‑loading initial data is essential for Spring Boot applications and demonstrates four practical methods—CommandLineRunner/ApplicationRunner, bean initialization with @PostConstruct, SQL script execution, and @Sql annotation for tests—complete with code snippets and configuration details.
Backend DevelopmentCommandLineRunnerData Initialization
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