Object Oriented Programming MCQs

Page No. 13

It’s necessary to pass object by reference in copy constructor because ____________


aConstructor is not called in pass by reference


bConstructor is called in pass by reference only


cIt passes the address of new constructor to be created


dIt passes the address of new object to be created



Which constructor is called while assigning some object with another?


aDefault


bParameterized


cCopy


dDirect assignment is used


View Answer Copy

How many types of constructors are available, in general, in any language?


a2


b3


c4


d5


View Answer 3

Copy constructors are overloaded constructors.


aTrue


bFalse


cA & B


d None of the above


View Answer True

The arguments to a copy constructor _____________


aMust be const


bMust not be cosnt


cMust be integer type


dMust be static


View Answer Must be const

Can a copy constructor be made private?


aYes, always


bYes, if no other constructor is defined


cNo, never


d No, private members can’t be accessed


View Answer Yes, always

The deep copy is possible only with the help of __________


aImplicit copy constructor


b User defined copy constructor


cParameterized constructor


dDefault constructor



Copy constructor will be called whenever the compiler __________


aGenerates implicit code


bGenerates member function calls


c Generates temporary object


dGenerates object operations



Out of memory error is given when the object _____________ to the copy constructor.


aIs passed with & symbol


bIs passed by reference


cIs passed as


dIs not passed by reference



Object being passed to a copy constructor ___________


aMust be passed by reference


b Must be passed by value


cMust be passed with integer type


dMust not be mentioned in parameter list



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