Code Ape Tech Column
Oct 27, 2020 · Backend Development
Mastering JSR‑303 Validation in Spring Boot: From Basics to Custom Constraints
This article walks through the fundamentals of JSR‑303 Bean Validation in Spring Boot, explains how to add the starter dependency, lists built‑in constraint annotations, demonstrates simple, group and nested validation, shows how to capture validation errors, and guides you through creating custom constraint annotations and validators with full code examples.
Bean ValidationCustom ConstraintGroup Validation
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