Answer Posted / sandeep kaur
java is an Object Oreiented Language..but it is not a pure
Object oriented Programming Language..because it does not
support all the features of OOP.
One Reason:
All the data types are not objects..but java support all
these Data Types.But in OOP Language everything should be
objects and methods.
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Question: Implement a base class Appointment and derived classes Onetime, Daily, Weekly, and Monthly. An appointment has a description (for example, “see the dentist”) and a date and time. Write a virtual function occurs_on(int year, int month, int day) that checks whether the appointment occurs on that date. For example, for a monthly appointment, you must check whether the day of the month matches. Then fill a vector of Appointment* with a mixture of appointments. Have the user enter a date and print out all appointments that happen on that date.
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