Object Oriented Programming MCQs

Page No. 77

If pointer to an object is declared __________


aIt can store any type of address


bIt can store only void addresses


cIt can only store address of integer type


d It can only store object address of class type specified



How does compiler decide the intended object to be used, if more than one object are used?


aUsing object name


bUsing an integer pointer


c Using this pointer


dUsing void pointer


View Answer Using this pointer

Which operator should be used to access the members of the class using object pointer?


aDot operator


bColon to the member


cScope resolution operator


d Arrow operator


View Answer Arrow operator

Which is correct syntax for declaring pointer to object?


aclassName* objectName;


b className objectName;


c*className objectName;


d className objectName();



Which language among the following doesn’t allow pointers?


aC++


bJava


cPascal


dC


View Answer Java

Which is the correct syntax for declaring the type of this in a member function?


aclassType [cv-qualifier-list] *const this;


bclassType const[cv-qualifier-list] *this;


c[cv-qualifier-list]*const classType this;


d[cv-qualifier-list] classType *const this;



Which among the following is/are type(s) of this pointer?


a const


bvolatile


cconst or volatile


dint


View Answer const or volatile

This pointer can be used directly to ___________


aTo manipulate self-referential data structures


bTo manipulate any reference to pointers to member functions


cTo manipulate class references


dTo manipulate and disable any use of pointers



Earlier implementations of C++ ___________________


aever allowed assignment to this pointer


bAllowed no assignment to this pointer


cAllowed assignments to this pointer


dNever allowed assignment to any pointer



The this pointers _____________________


aAre modifiable


bCan be assigned any value


cAre made variables


d Are non-modifiable


View Answer Are non-modifiable

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