“Hotel Mercato” requires a system module that will help the hotel to calculate the rent of the customers. Model the above scenario in Object Oriented Paradigm according to the following requirements 1) The hotel wants such a system that should have the feature to change the implementation independently of the interface. This will help when dealing with changing requirements.
2) The hotel charges each customer 1000.85/- per day. This amount is being decided by the hotel committee
3) The module should take the customer’s name and number of days, the customers stayed in the hotel as arguments in the constructor. The customer name must be initialized only once when the constructor is called. Any further attempts to change the customer’s name should fail.
4) The module then analyses the number of days. If the customer has stayed for more than a week in the hotel, he gets discount on the rent. Otherwise, he is being charged normally.
5 )The discounted rent is being calculated after subtracting one day from the total number of days.
6) In the end, the module displays the following details:
a. Customer Name
b. Days
c. Rent Note that, the function used for displaying purpose must not have the ability to modify any data member