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20.A program to demonstrate how a protected data of a base class is accessed by the public member function of the derived class through friend class declaration. The derived class has been inherited via public inheritance 21.The following program shows that an error is encountered as a result of an attempt to access the protected […]

6.     What are the rules governing the declaration of a class of single inheritance? 7.     Define multiple inheritance. 8.     List the merits and demerits of single inheritance over multiple inheritance. 9.     What are the rules to be followed to declare a multiple inheritance class data type? 10.     In what way a container class is different

What is meant by “inheritance” in the OOP paradigm? What are the advantages and disadvantages of declaring inheritance? What is the difference between the base and derived classes? How is a direct base class different from the indirect base class declaration in C++? Explain how a data member and member functions of a base class

Explain how a private data of a base class can be accessed by a publicly derived class. Explain the merits and demerits of private derivation over the public derivation. What is a friend class? What are the access control a friend class has over the member function? What is a public derivation? Explain how a

What is a private inheritance? What are the merits and demerits of private inheritance. What is a protected inheritance? Explain how a protected data of the base class can be accessed by the public member function of the derived class. What is a container class? List the pros and cons of declaring container classes. How

Develop an object-oriented program in C++ to create a library information system containing the following for all books in the library: Accession number Name of the author Title of the book Year of publication Publisher’s name Cost of the book Design a base class with the data members, accession number, name of the author and

4.     Develop an object-oriented program in C++ to prepare the mark sheet of an university examination with the following items read from the keyboard: Name of the student Roll number Subject name Subject code Internal marks External marks Design a base class consisting of the data members such as name of the student, roll number

3.     Develop an object-oriented program in C++ to create a pay roll system of an organisation with the following information read from the keyboard: Employee name Employee code Designation Account number Date of joining Basic pay DA, HRA and CCA Deductions like PPF, GPF, CPF, LIC, NSS, NSC, etc. Design a base class consisting of

1.A program to perform the swapping of two data items of integer, floating point numbers and character types without function overloading. 2.A program to demonstrate how function overloading is carried out for swapping of two variables of the various data types, namely integers, floating point numbers and character types. 3.A program to demonstrate how to

6.     Develop an object-oriented program in C++ to create a data base of the personnel information system containing the following information: Name Date of birth Blood group Height Weight Insurance policy number Contact address Telephone number Driving licence number, etc. Design a base class with name, date of birth, blood group, and another base class