(iii) Name the data member(s) that can be accessed by an object of bus class.
Ans: No data member can be accessed by an object of bus class.
(iv) Is the member function outputdata accessible to the objects of heavy_vehicle class?
Ans: No.
DELHI 1998:
2.c) Consider the following declarations and answer the questions below:
class PPP
{ int H;
protected:
int S;
public:
void INPUT(int);
void OUT();
};
class QQQ:private PPP
{ int T;
protected:
int U;
public:
void INDATA(int,int);
void OUTPUT();
};
class RRR:public QQQ
{ int M;
public:
void DISP(void);
};
(i) Name the base class and derived class of the class QQQ.
Ans: Base class of QQQ – PPP Derived class of QQQ – RRR
(ii) Name the data member(s) that can be accessed from function DISP().
Ans: QQQ::U , RRR::M
(iii) Name the member function(s) , which can be accessed from the object of class RRR.
Ans:
QQQ::INDATA( )
QQQ::OUTPUT( ) RRR::DISP( )
(iv) Is the member function OUT() accessible by the objects of the class QQQ?
Ans: No.
CBSE Computer Science Solved Revision Tour By Mr. Ravi Kiran ( mrkdata@yahoo.com )
