Spring Boot FAQ: Top Questions

Spring Boot supports bean validation using JSR-380 (javax.validation) annotations and integrates with Spring MVC to validate request bodies automatically.

🗺️ Steps:

1. Add spring-boot-starter-validation to your dependencies.
2. Use annotations like @NotNull, @Size, @Email, etc.
3. Annotate method parameters with @Valid.

📥 Example:

public class User {
  @NotBlank
  private String name;

  @Email
  private String email;
}

🏆 Expected Output:

Returns validation error if name is blank or email is invalid.

🛠️ Use Cases:

• Validating API request payloads.
• Ensuring input integrity and constraints.