Object Oriented Programming MCQs

Page No. 38

Can typeid() function be used with the object of generic classes?


aYes, only if default type is given


bYes, always


cNo, generic data can’t be determined


dNo, never possible


View Answer Yes, always

What are the two specializations of I/O template classes in C++?


a16-bit character and wide characters


b8-bit character and wide characters


c32-bit character and locale characters


d64-bit characters and locale characters



A template class defines the form of a class _____________________ it will operate.


aWith full specification of the data on which


bWith full specification of the functions on which


cWithout full specification of the data on which


dWithout full specification of the functions on which



Which is the most significant feature that arises by using template classes?


aCode readability


bEase in coding


cCode reusability


dModularity in code


View Answer Code reusability

What is the syntax to use explicit class specialization?


atemplate class myClass<>{ }


btemplate class myClass{ }


c template <> class myClass<>{ }


d template <> class myClass{ }



Can default arguments be used with the template class?


aYes, in some special cases


b Yes, always


cNo, it must satisfy some specific conditions first


dNo, it can’t be done


View Answer Yes, always

Which among the following is the proper syntax for the template class?


atemplate ;


bTemplate ;


ctemplate T named(T x, T y){ }


dTemplate T1 named(T1 x, T2 y){ }



A template class can have _____________


aMore than one generic data type


bOnly one generic data type


cAt most two data types


dOnly generic type of integers and not characters



If a base class is added with a few new members, its subclass must also be modified.


aTrue


bFalse


cA & B


dNone of these


View Answer False

How many base classes can a single derived class have in C++?


a1


b2


c3


dAs many as required


View Answer As many as required

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