slip 28

/* Slip no : 28_1 Create a class Point that has x & y as integer data members. Write a C++ program to perform following functions:

   void setpoint(int, int)    To set the specified values of x and y in object.

   void showpoint()            To display contents of point object.

   point addpoint(point) To add the corresponding values of x, and y in point argument to current point object return point.

 */

#include<conio.h>

#include<iostream.h>

class point

{

                int x,y;

                public :

                void setpoint(int x1,int y1)

                {

                                x=x1;

                                y=y1;

                                //            cout<<x<<y;

                }

                void showpoint()

                {

                                cout<<"\n x = "<<x<<"\t y = "<<y;

                }

                point addpoint(point ob)

                {

                                point temp;

                                temp.x = x+ob.x;

                                temp.y = y+ob.y;

                                return temp;

                }

};

void main()

{

                int n1,n2,n3,n4;

                point p1,p2,p3;

                clrscr();

                cout<<"\n Enter x,y co-ordinate: ";

                cin>>n1;

                cin>>n2;

                p1.setpoint(n1,n2);

                cout<<"\n Enter x,y co-ordinate: ";

                cin>>n3;

                cin>>n4;

                p2.setpoint(n3,n4);

                cout<<"\n 1st co-ordinate : ";

                p1.showpoint();

                cout<<"\n 2nd co-ordinate : ";

                p2.showpoint();

                cout<<"\n Addition is : ";

                p3=p1.addpoint(p2);

                p3.showpoint();

                getch();

}

/* Slip no : 28_2 Create a base class Media. Derive two different classes Book (Book_id, Book_name, Publication, Author, Book_price) and CD (CD_title, CD_price) from Media. Write a C++ program to accept and display information of both Book and CD. (Use pure virtual function) */

#include<iostream.h>

#include<conio.h>

class media

{

public:

virtual void accept()=0;

virtual void display()=0;

};

class book:public media

{

public:

int bid,price;

char name[20],publication[29];

void accept()

{

   cout<<"\n Enter book id : ";

   cin>>bid;

   cout<<"\n Enter name : ";

   cin>>name;

   cout<<"\n Enter publication : " ;

   cin>>publication;

   cout<<"\n Enter price : ";

   cin>>price;

}

void display()

{

cout<<"\n bid = "<<bid<<"\n name = "<<name<<"\n publication = "<<publication<<"\n price = "<<price;

}

};

class CD:public media

{

public:

int price;

char title[20];

void accept()

{

cout<<"\n Enter title : ";

cin>>title;

cout<<"\n Enter price : ";

cin>>price;

}

void display()

{

cout<<"\n Title = "<<title<<"\n price = "<<price;

}

};

void main()

{

book ob1;

media *ptr;

clrscr();

ptr=&ob1;

ptr->accept();

ptr->display();

CD ob2;

ptr=&ob2;

ptr->accept();

ptr->display();

getch();

}