CPP-EX64

Program using class to    -accept details of all students    -to display details of one student    -to display details of all students

#include<iostream.h>
#include<conio.h>
class student
{
  public:
    int rollno,m1,m2,m3;
    char name[10];
    int i;
    void accept();
    void display();
    void display(int);
};
    void student:: display( int r)
     {
        if(rollno==r)
        {
       cout<<"Rollno" <<"  "<<"name"<<"  " <<"marks"<<"   "<<"marks"<<"   "<<"marks"<<endl;
       cout<< rollno <<"     "<<name<<"      "<<m1<<"      "<<m2<<"     "<<m3<<endl;
         }
     }


void student :: accept()
{

  cout<<"\nEnter the rollno\n";
  cin>>rollno;
  cout<<"\nEnter the name of the student\n";
  cin>>name;
  cout<<"\nEnter the marks of C\n";
  cin>>m1;
  cout<<"\nEnter the marks of C++\n";
  cin>>m2;
  cout<<"\nEnter the marks of Java\n";
  cin>>m3;

}

void student::display()
{

  cout<<"\nthe rollno is       \t"<<rollno;

  cout<<"\nname of the student \t"<<name;

  cout<<"\nthe marks of C      \t"<<m1;

  cout<<"\nthe marks of C++    \t"<<m2;

  cout<<"\nthe marks of Java   \t"<<m3<<endl;

}

void main()
{  int ch;
   int i;
 student s[3],s1;
 int rollno; char name[10];int m1,m2,m3;
 clrscr();
 do
 {
 cout<<endl<<"Enter details of all student";
 cout<<endl<<"Display details of one student";
 cout <<endl<<"enter your choice";
 cin>>ch;

 switch(ch)
 { case 1: cout<<"Details of all students";
     for(i=0;i<3;i++)
     {
     s[i].accept();
     }
    for(i=0;i<3;i++)
    {
     s[i].display();
    }
    break;
   case 2:
    int r;
    cout<<"enter the roll no :\n";
    cin>>r;
    cout<<"Details of one student"<<endl;
       for(i=0;i<3;i++)
       {
        s[i].display(r);
        }
       break;
   default:cout<<"Invalid choice";
   }
   }while(ch<=2);
 getch();
  }