Spring Validation Example - Spring MVC Form Validator | DigitalOcean

When we accept user inputs in any web application, it becomes necessary to validate them. We can validate the user input at the client-side using JavaScript but it’s also necessary to validate them at server side to make sure we are processing valid data in case the user has javascript disabled. Spring Validation Spring MVC Framework supports JSR-303 specs by default and all we need is to add JSR-