Sunday, January 1, 2012

Single inheritence in 'C++'

Example



#include<iostream.h>
#include<conio.h>
class stud
{
protected:
char rno[10];
int m1,m2,m3;
public:
void getdata()
{
cout<<"ENTER ROLLNO MARKS1 MARKS2 MARKS3 OF STUDENT::";
cin>>rno>>m1>>m2>>m3;
}




    };
class result:public stud
{
int total;
float per;
public:
void display()
{
      total=m1+m2+m3;
      per=total/3;
      cout<<"ROLLNO  MARKS1  MARKS2  MARKS3  TOTAL  PER"<<endl;
 cout<<rno<<"\t"<<m1<<"\t"<<m2<<"\t"<<m3<<"\t"<<total<<"\t"<<per;
}
};
int main()
{
clrscr();
result s;
s.getdata();
s.display();
getch();
return 0;
}
/*=============================================================
OUTPUT
ENTER ROLLNO MARKS1 MARKS2 MARKS3 OF STUDENT::08mca23
44
55
66
ROLLNO  MARKS1  MARKS2  MARKS3  TOTAL  PER
08mca23 44      55      66      165     55
*/

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