1. Write a program to create a room class, the attributes of this class is roomno, roomtype, roomarea and ACmachine. In this class the member functions are setdata and displaydata. 2. Address Book Entry. Your task is to create a class that contains an address book entry. The following table describes the information that an adressbook entry has. Attributes/Properties Description Name Address Telephone Number Email Address Name of the person in the addressbook Telephone number of the person Address of the person Person's Email address a. Provide the necessary accessor and mutator methods for all the attributes. b. Constructors 3. AddressBook. Create a class address book that can contain 100 entries of AddressBookEntry objects (use the class you created in the first exercise). You should provide the following methods for the address book. a. Add entry b. Delete entry c. View all entries d. Update an entry