For Energy Billing System I want to add login screen for the user that will be displayed before access to user panel. The user can enter username and password, click submit button to proceed the login. For this purpose, I create a simple database in mysql.

## Users class:

Create a table called: users, by using fallowing sql:

Checking information about table that we created:

Added two records into users table:

## Model class:

Now in a database, we should have two records. Next step is to create a model class. This Entity is mapped to the users table.

## DAO class interface:

Created DAO class interface:

For now is a small part of login implementation. In the next post, I will present complete implementation.