In a university there are students studying in different programs. Each program run through different semester and each semester has different subjects. Each subject has a credits. For attending the classes student gets attendance. Subject is taught by a one or more than faculty. To create an application to maintain this data, i) Find the number of classes required to maintain this data. ii) Write code for each class. Each class should have a default and argument constructor. Class should also have set method. iii) Write the code to run following menu 1. for registration 2. for registration of new faculty 3. for choosing the subject 4. for exit