Appointment Class Requirements

The appointment object shall have a required unique appointment ID string that cannot be longer than $10$ characters. The appointment ID shall not be null and shall not be updatable.

The appointment object shall have a required appointment Date field. The appointment Date field cannot be in the past. The appointment Date field shall not be null.

Note: Use java.util.Date for the appointmentDate field and use before$($new Date$())$ to check if the date is in the past.

The appointment object shall have a required description String field that cannot be longer than $50$ characters. The description field shall not be null.

Appointment Service Requirements

The appointment service shall be able to add appointments with a unique appointment ID$.$

The appointment service shall be able to delete appointments per appointment ID$.$