Object Oriented Programming MCQs

Page No. 56

Which among the following best defines the abstract methods?


aFunctions declared and defined in base class

✖


bFunctions only declared in base class

✓


cFunction which may or may not be defined in base class

✖


dFunction which must be declared in derived class

✖



Which keyword is used to define the inline member function?


ano keyword required

✖


binline

✓


cinlined

✖


dline

✖


View Answer inline

Which keyword is used to define the static member functions?


astatic

✓


bstop

✖


copen

✖


dstate

✖


View Answer static

Which among the following is true?


aMember functions can never be private

✖


bMember functions can never be protected

✖


cMember functions can never be public

✖


dMember functions can be defined in any access specifier

✓



All type of member functions can’t be used inside a single class.


a True

✖


bFalse

✓


cA & B

✖


d None of these

✖


View Answer False

Member functions _____________________


aMust be defined inside class body

✖


bCan be defined inside class body or outside

✖


cMust be defined outside the class body

✓


dCan be defined in another class

✖



Which keyword is used to make a nonmember function as friend function of a class?


afriendly

✖


bnew

✖


cfriend

✓


dconnect

✖


View Answer friend

What is the syntax of a const member function?


avoid fun( ) const { }

✓


b void fun( ) constant { }

✖


cvoid const fun() { }

✖


d const void fun( ){ }

✖


View Answer void fun( ) const { }

What are friend member functions (C++)?


aMember function which can access all the members of a class

✖


bMember function which can modify any data of a class

✖


cMember function which doesn’t have access to private members

✖


dNon-member functions which have access to all the members (including private) of a class

✓



Which among the following best describes the inline member functions?


aFunctions defined inside the class only

✖


bFunctions with keyword inline only

✖


cFunctions defined outside the class

✖


dFunctions defined inside the class or with the keyword inline

✓



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