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Practical No 14

The document contains 3 C++ programs that declare classes and accept data using pointers to objects. The first program declares a Book class with name, author, and price data and accepts data for one object using a pointer. The second program declares a Box class with height, width, and length and accepts data for one object using a pointer. The third program declares a Birthday class with day, month, and year and accepts data for 5 objects using a pointer to an array of objects.

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Mick YT
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4K views8 pages

Practical No 14

The document contains 3 C++ programs that declare classes and accept data using pointers to objects. The first program declares a Book class with name, author, and price data and accepts data for one object using a pointer. The second program declares a Box class with height, width, and length and accepts data for one object using a pointer. The third program declares a Birthday class with day, month, and year and accepts data for 5 objects using a pointer to an array of objects.

Uploaded by

Mick YT
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as ODT, PDF, TXT or read online on Scribd
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Program:

/* Write a C++ program to declare a class “Book” containing data members book_name , author_name & price.
Accept the information for one object of the class using pointer to that object. */

#include<iostream.h>

#include<conio.h>

class book

public:int price;

char book_name[10],author_name[10];

void get()

cout<<"Enter the name of book:";

cin>>book_name;

cout<<"Enter the author of book:";

cin>>author_name;

cout<<"Enter the price of book:";

cin>>price;

void disp()

cout<<endl;

cout<<"Name of book:\t"<<book_name<<endl;

cout<<"Author of book:\t"<<author_name<<endl;

cout<<"Price of book:\t"<<price<<endl;

};
void main()

clrscr();

book b;

book *p;

p=&b;

p->get();

p->disp();

getch();

Output:
Enter the name of book:abc

Enter the author of book:xyz

Enter the price of book:500

Name of book: abc

Author of book: xyz

Price of book: 500


Program:
/* Write a C++ program to declare a class “Box” having data members height , width & length . Accept this
information for one object of the class using pointer to that object */

#include<iostream.h>

#include<conio.h>

class box

public:int length,width,height,a,v;

void get()

cout<<"Enter the length of box:";

cin>>length;

cout<<"Enter the width of box:";

cin>>width;

cout<<"Enter the height of box:";

cin>>height;

void cal()

a=length*width;

v=length*width*height;

void disp()

cout<<endl;

cout<<"Area of box:\t"<<a<<endl;

cout<<"Volume of box:\t"<<v<<endl;

};
void main()

clrscr();

box b;

box *p;

p=&b;

p->get();

p->cal();

p->disp();

getch();

Output:
Enter the length of box:5

Enter the width of box:5

Enter the height of box:5

Area of box: 25

Volume of box: 125


Program:
/* Write a C++ program to declare a class birthday having data members day , month & year. Accept this information
for five objects using pointer t the array of objects */

#include<iostream.h>

#include<conio.h>

class birthday

public:

int day,month,year;

void get()

cout<<"Enter the day:";

cin>>day;

cout<<"Enter the month:";

cin>>month;

cout<<"Enter the year:";

cin>>year;

void disp()

cout<<endl;

cout<<"Day:\t"<<day<<endl;

cout<<"Month:\t"<<month<<endl;

cout<<"Year:\t"<<year<<endl;

};
void main()

clrscr();

int i;

birthday b[5];

birthday *p;

p=&b[0];

for(i=0;i<5;i++)

p->get();

p=&b[0];

for(i=0;i<5;i++)

p->disp();

getch();

Output:
Enter the day:01

Enter the month:01

Enter the year:2000

Enter the day:02

Enter the month:01

Enter the year:2000

Enter the day:03

Enter the month:01

Enter the year:2000

Enter the day:04

Enter the month:01

Enter the year:2000


Enter the day:05

Enter the month:01

Enter the year:2000

Day: 01

Month: 01

Year: 2000

Day: 02

Month: 01

Year: 2000

Day: 03

Month: 01

Year: 2000

Day: 04

Month: 01

Year: 2000

Day: 05

Month: 01

Year: 2000

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