Additional Notes
Why does using @NotBlank on a field matter in practice?
Track: Java
Topic: Spring Core
Focus: Persistence and Validation
Java: Persistence and Validation
Answer
It ensures the field is not null or empty.
Using @NotBlank on a field in a data class ensures that the field cannot be null or empty, which is crucial for fields where content is required. For example, using @NotBlank on a product's name field ensures that every product has a name, preventing issues later when processing or displaying product data.
Using @NotBlank on a field in a data class ensures that the field cannot be null or empty, which is crucial for fields where content is required. For example, using @NotBlank on a product's name field ensures that every product has a name, preventing issues later when processing or displaying product data.
Topics: Java Persistence and Validation Spring Core