Pratik Bakane C++ programs...............This are programs desingedby sy diploma student from Governement Polytecnic Thane.....programsare very easy alongwith coding andscreen shot of the output

1. /*Program to declare class Account having data members as Account No.
and balance. Accept this data for 3 accounts and give interest of 10% where
balance is equal or greater than 5000 and display them*/
#include<iostream.h>
#include<conio.h>
class Account
{
public:
int acc_no,bal,inte;
void accept();
void display();
};
void Account::accept(void)
{
cout<<"tEnter the account number : ";
cin>>acc_no;
cout<<"tEnter the balance : ";
cin>>bal;
}
void Account::display(void)
{

2. cout<<"tThe account number is : "<<acc_no<<endl;
cout<<"tThe balance is : "<<bal<<endl;
}
void main()
{
int i;
clrscr();
Account a[3];
for(i=0;i<3;i++)
{
a[i].accept();
}
cout<<"*********************************************"<<endl;
for(i=0;i<3;i++)
{
if(a[i].bal>=5000)
{
a[i].inte=(a[i].bal*100)/10;

3. a[i].bal=a[i].bal+a[i].inte;
}
a[i].display();
cout<<"=============================================="<<endl;
}
getch();
}

4. OUTPUT

5. /*Program to declare a class city having data members as name and
population.Accept this data for 5 cities and display names of city
having highest population*/
#include<iostream.h>
#include<conio.h>
class city
{
public:
char name[20];
int population;
void accept()
{
cout<<"tEnter the Name of the city: ";
cin>>name;
cout<<"tEnter the population : ";
cin>>population;
}
void display()
{
cout<<"tName is : "<<name<<endl;

6. cout<<"tPopulation is : "<<population<<endl;
}
};
void main()
{
int i;
clrscr();
city c[5];
for(i=0;i<5;i++)
{
c[i].accept();
}
//sorting
for(i=0;i<5;i++)
{
for(int j=0;j<4;j++)
{
if(c[j].population<c[j+1].population)
{
city temp = c[j];

7. c[j]=c[j+1];
c[j+1]=temp;
}
}
}
for(i=0;i<5;i++)
{
c[i].display();
}
getch();
}

8. OUTPUT

9. /*Program for swapping contents using friend function*/
#include<iostream.h>
#include<conio.h>
class sample
{
private:
int x,y;
public:
void setdata(int a,int b)
{
x=a;
y=b;
}
void showdata()
{
cout<<"nnttx="<<x<<"nntty="<<y;
}
friend void swap(sample &s);
};
void swap(sample &s)
{
int temp;
temp=s.x;

10. s.x=s.y;
s.y=temp;
}
void main()
{
sample s;
int x1,x2;
clrscr();
cout<<"nnttEnter 2 Numbers:";
cin>>x1>>x2;
s.setdata(x1,x2);
cout<<"nnttBefore Swappingn";
s.showdata();
cout<<"nnttAfter Swappingn";
swap(s);
s.showdata();
getch();
}

11. OUTPUT

12. #include<iostream.h>
#include<conio.h>
#include<string.h>
#include<stdlib.h>
class emp
{
public:
int emp_no,sal;
char ch;
void accept()
{
cout<<"nnttEnter the number : ";
cin>>emp_no;
cout<<"nnttEnter the salary : ";
cin>>sal;
}
void display()
{
cout<<"nnttEnter another(Y/N) ? : ";
// cin>>ch;
}
};

13. void main()
{
char ch;
emp e,e1;
clrscr();
e.accept();
e.display();
// cout<<"Enter u r choice Y|N : ";
cin>>ch;
if(ch=='y' || ch=='Y')
{
e.accept();
e1.accept();
}
else
{
cout<<"nnttExit";
}
getch();
}

14. OUTPUT :

15. /**/
#include<iostream.h>
#include<conio.h>
class sample
{
static int r;
int p,d,i;
public:
void accept();
void display();
};
int sample::r;
void sample::accept()
{
cout<<"nnttEnter principal : ";
cin>>p;
cout<<"nnttEnter the rate of interest : ";
cin>>r;
cout<<"nnttEnter the duration : ";
cin>>d;
}

16. void sample::display()
{
i=p*d*r/100;
cout<<"nnttSimple Interest : "<<i;
}
void main()
{
clrscr();
sample s;
s.accept();
s.display();
getch();
}

17. OUTPUT :

18. #include<iostream.h>
#include<conio.h>
class base1
{
private:
int b1;
};
class base2
{
private:
int b2;
};
class derived:public base1,public base2
{
private:
int d1;
};
void main()
{
clrscr();
cout<<endl<<"nntt"<<sizeof(base1)<<endl<<"nntt"
<<sizeof(base2)<<endl<<"nntt"<<sizeof(derived);

19. getch();
}
OUTPUT:

20. /*Program to implement multiple inheritance. Assume suitable
member variables and member functions(using virtual base class*/
#include<iostream.h>
#include<conio.h>
class acc
{
private:
char name[20];
public:
void accept1()
{
cout<<"nnttEnter the name : ";
cin>>name;
}
void display1()
{
cout<<"nnttThe name is : "<<name;
}
};
class sav_a:virtual public acc

21. {
private:
int no;
public:
void accept2()
{
cout<<"nnttEnter the number : ";
cin>>no;
}
void display2()
{
cout<<"nnttThe number is : "<<no;
}
};
class cur_a:public virtual acc
{
private:
int a_no;
public:
void accept3()
{
cout<<"nnttEnter the a_no number : ";

22. cin>>a_no;
}
void display3()
{
cout<<"nnttThe a_no is : "<<a_no;
}
};
class fix_dip:public sav_a,public cur_a
{
private:
int rec_no;
public:
void accept4()
{
cout<<"nnttEnter rec number : ";
cin>>rec_no;
}
void display4()
{
cout<<"nnttThe rec number is : "<<rec_no;
}
};

23. void main()
{
clrscr();
fix_dip f;
f.accept1();
f.display1();
f.accept2();
f.display2();
f.accept3();
f.display3();
f.accept4();
f.display4();
getch();
}

24. OUTPUT :

25. /*Hierachical Inheriance*/
#include<iostream.h>
#include<conio.h>
class Employee
{
private:
char emp_nm[23];
int emp_id;
public:
void accept1()
{
cout<<"nnttEnter the Employee name : ";
cin>>emp_nm;
cout<<"nnttEnter the employee ID : ";
cin>>emp_id;
}
void display1()
{
cout<<"nnttThe employee Name is : "<<emp_nm;
Employee
ManagerWorker

26. cout<<"nnttThe employee ID is : "<<emp_id;
}
};
class worker:public Employee
{
private:
int sal;
public:
void accept2()
{
cout<<"nnttEnter the salary : ";
cin>>sal;
}
void display2()
{
cout<<"nnttThe salary is : "<<sal;
}
};
class Manager:public Employee
{
private:
int allowance;
public:

27. void accept3()
{
cout<<"nnttEnter the total allowance : ";
cin>>allowance;
}
void display3()
{
cout<<"nnttThe total allowance is : "<<allowance;
}
};
void main()
{
clrscr();
worker w;
w.accept1();
w.display1();
w.accept2();
w.display2();
Manager m;
m.accept1();
m.display1();
m.accept3();
m.display3();

28. getch();
}
OUTPUT :

30. /*Program to declare a class book containing data members
book_title,author_name and price. Accept and display the
information for one object of the class using pointer to that
object.*/
#include<iostream.h>
#include<conio.h>
class book
{
int price;
char title[14],name[20];
public:
void getdata()
{
cout<<"nnttEnter the title of the Book : ";
cin>>title;
cout<<"nnttEnter the name of the Author :
";
cin>>name;
cout<<"nnttEnter the price of the Book : ";
cin>>price;
}

31. void putdata()
{
cout<<"nnttThe title of the Book is :
"<<title;
cout<<"nnttThe name of the Book is :
"<<name;
cout<<"nnttThe price of the Book is :
"<<price;
}
};
void main()
{
book b,*p;
clrscr();
p=&b;
p->getdata();
p->putdata();
getch();
}

32. OUTPUT 

33. /*Program to declare a class ‘box’ having data members
height,width and breadth.Accept this information for one
object using pointer to that object. Display the area and
volume of that object.*/
#include<iostream.h>
#include<conio.h>
class box
{
int height,width,breadth;
public:
void getdata()
{
cout<<"nnttEnter the height : ";
cin>>height;
cout<<"nnttEnter the width : ";
cin>>width;
cout<<"nnttEnter the breadth : ";
cin>>breadth;
}
void area()
{

34. cout<<"nnttArea of the box is :
"<<breadth*width;
}
void volume()
{
cout<<"nnttVolume of the Box is :
"<<height*width*breadth;
}
};
void main()
{
clrscr();
box b,*p;
p=&b;
p->getdata();
p->area();
p->volume();
getch();
}

35. OUTPUT :  

36. /*program to declare a class birthday having data members day, month
and year. Accept this information for 4 object using pointer to the
array of object.*/
#include<iostream.h>
#include<conio.h>
class birthday
{
private:
int day,month,year;
public:
void getdata()
{
cout<<"ntEnter the Day : ";
cin>>day;
cout<<"ntEnter the Month : ";
cin>>month;
cout<<"ntEnter the Year : ";
cin>>year;
}
};
void main()
{

37. int i;
clrscr();
birthday *b[4];
for(i=0;i<4;i++)
{
b[i]->getdata();
}
getch();
}

38. OUTPUT 