Multi level inheritance: -
“The
mechanism of deriving a new class from existing derived class is called multi
level inheritance”. The object of the derived class is having a capability
to access base class and intermediate base class data members and member
functions.
# include<iostream.h>
class student
{
protected :
int rno ;
char
name[20];
public:
void get()
{cout
<<"enter roll no. and name";
cin>>rno>>name;
}
void show
()
{
cout<<"Roll
number:"<<rno<<”Name:”<<name<<endl;
}
};
class test : public
student
{
protected :int m1, m2;
public : void getmarks ( )
{
cout<<"enter
marks in 2 subjects";
cin>>m1>>m2;
void showmarks ( )
{
cout<<
"subject1:"<<m1;
cout<<"subject
2:"<<m2;
}
};
class final : public
test
{
private : float total;
public: void display ()
{
total= m1+m2;
show( );
showmarks ( ) ;
cout<<"Total:"<<total;
}
};
void main ( )
{ final f
f.get( );
f.getmarks ( );
f.display ( );
}