Create a login system using Java language with source code-fully functional
Create a login system using Java language with source code

Introduction
The login form gives access to the website or web application and therefore to your data. This type fulfills a basic security function; but it is often left to determine whether the username (user), key (password) and authentication method follow security recommendations.
In security, an investigation is a process of verifying whether someone (or something) is, in fact, who (or something) they claim to be. Authentication: Verifying the identity of a user, system, or device, often as a requirement for granting access to information resources. NIST CSRC specification.