Pratik Bakane C++

/*Program for above Hierachy where Employee id Base class and Programmer and manager are child class. Make display function virtual which is common for all the three classes*/

/**************************Experiment 16****************************/

#include<iostream.h>

#include<conio.h>

class Employee

{

private:

char name[20];

float sal;

public:

void accept()

{

cout<<"\n\n\t\tEnter the Emplyee Name : ";

cin>>name;

cout<<"\n\n\t\tEnter the salary : ";

cin>>sal;

}

virtual void display() //virtual function

{

Employee

ManagerProgrammer

cout<<"\n\n\t\tEmployee name : ";

cout<<"\n\n\t\tEmployee salary : ";

}

};

class Programmer:public Employee

{

protected:

char name[20];

float sal;

int dept_no;

public:

void take()

{

cout<<"\n\n\t\tEnter the name of Programmer: ";

cin>>name;

cout<<"\n\n\t\tEnter the salary : ";

cin>>sal;

cout<<"\n\n\t\tEnter the department Number : ";

cin>>dept_no;

}

void display() //virtual function

{

cout<<"\n\n\t\tThe naem of Programmer is : "<<name;

cout<<"\n\n\t\tThe salary is : "<<sal;

cout<<"\n\n\t\tThe department number is :"<<dept_no;

}

};

class Manager:public Employee

{

protected:

char name[20],post[20];

public:

void getdata()

{

cout<<"\n\n\t\tEnter the Name of the Manager : ";

cin>>name;

cout<<"\n\n\t\tEnter the post of Manager : ";

cin>>post;

}

void display() //virtual function

{

cout<<"\n\n\t\tThe Name is : "<<name;

cout<<"\n\n\t\tThe Post is : "<<post;

}

};

void main()

{

clrscr();

Programmer p;

// e.accept();

// e.display();

p.take();

p.display();

Manager m;

m.getdata();

m.display();

getch();

}

OUTPUT :

/***************************Page Number 133****************************/

#include<iostream.h>

#include<conio.h>

class Base

{

public:

virtual void display()

{

cout<<"\n\n\t\tBase Class ";

}

};

class Derived:public Base

{

public:

void display()

{

cout<<"\n\n\t\tDerived Class";

}

};

void main()

{

clrscr();

Base b;

Derived d;

b.display();

d.display();

getch();

}

OUTPUT :

/**********************Page Number 125*******************/

#include<iostream.h>

#include<conio.h>

class complex

{

int a,b,c;

public:

complex() {}

void getvalue()

{

cout<<"Enter the two Numbers : ";

cin>>a>>b;

}

void operator++()

{

a=++a;

b=++b;

}

void operator--()

{

a=--a;

b=--b;

}

void display()

{

cout<<a<<"+\t"<<b<<"i"<<endl;

}

};

void main()

{

clrscr();

complex obj;

obj.getvalue();

obj++;

cout<<"Increment Complex number\n";

obj.display();

obj--;

cout<<"Decrement Complex Number\n";

obj.display();

getch();

}

OUTPUT:

******************Page Number 126*******************

#include<iostream.h>

#include<conio.h>

class Sample

{

private:

int p,q,r;

public:

void getdata(int p,int q,int r);

void show()

{

cout<<"\np="<<p;

cout<<"\nq="<<q;

cout<<"\nr="<<r;

}

void operator-();

};

void Sample::getdata(int m,int n,int z)

{

p=m;

q=n;

r=z;

}

void Sample::operator-()

{

p=p*p*p;

q=q*q*q;

r=r*r*r;

}

void main()

{

clrscr();

Sample P;

P.getdata(1,12,24);

P.show();

-P;

P.show();

getch();

}

OUTPUT

/***************************Page Number 127******************/

#include<iostream.h>

#include<conio.h>

class SYIT

{

protected:

int count;

public:

SYIT()

{

count=0;

}

void operator++()

{

count++;

}

void display()

{

cout<<endl<<"\n\n\t\t"<<count;

}

};

void main()

{

clrscr();

SYIT s;

s++;

s.display();

++s;

s.display();

getch();

}

OUTPUT:

/*Program using function overloading to calculate addition of ten integer number and five floating numbers.*/

#include<iostream.h>

#include<conio.h>

int add(int,int,int,int,int,int,int,int,int,int);

float add(float,float,float,float,float);

int add(int a,int b,int c,int d,int e,int f,int g,int h,int i,int j)

{

return (a+b+c+d+e+f+g+h+i+j);

}

float add(float k,float l,float m,float n,float o)

{

return (k+l+m+n+o);

}

void main()

{

clrscr();

int x;

float y;

x=add(1,2,3,4,5,6,7,8,9,10);

y=add(1.0,1.1,1.2,1.3,1.4);

cout<<"\n\n\t\tThe sum of ten Integers numbers : "<<x;

cout<<"\n\n\t\tThe sum of five floating numbers : "<<y;

getch();

}

OUTPUT:

/*Program to declare a class student having data members as roll_no and percentage. Using ‘this’ pointer invoke member functions to accept and display this data for one object of the class.*/

#include<iostream.h>

#include<conio.h>

#include<math.h>

class student

{

private:

int r_no,per;

public:

void accept()

{

cout<<"\n\n\t\tEnter the Roll Number : ";

cin>>r_no;

cout<<"\n\n\t\tEnter the Percentage : ";

cin>>per;

}

void display()

{

cout<<"\n\n\t\tRoll Number is : ";

cout<<this->r_no;

cout<<"\n\n\t\tPercentage is : ";

cout<<this->per;

}

};

void main()

{

clrscr();

student s1;

s1.accept();

s1.display();

getch();

}

OUTPUT

/************************Page Number 61***************/

#include<iostream.h>

#include<conio.h>

#include<math.h>

class example

{

int a,b;

public:

example(int x,int y)

{

a=x;

b=y;

cout<<"\n\n\t\tI am Constructor ";

}

void display()

{

cout<<"\n\n\t\tValues : "<<a<<"\t"<<b;

}

};

void main()

{

clrscr();

example obj(10,20);

obj.display();

getch();

}

OUTPUT:

/*Program to define a class salary which will contain member variable basic,ta,da,hra. Devlop a program using constructor with default value(s) for da and hra and calculate the salary of employee*/

#include<iostream.h>

#include<conio.h>

#include<math.h>

class salary

{

float basic,ta,da,hra;

public:

salary(float b,float t,float d=1000,float h=1000)

{

basic=b;

ta=t;

da=d;

hra=h;

}

void display_sal()

{

float gross_sal;

gross_sal=(basic+ta+da+hra);

cout<<"\n\n\t\tGross Salary : "<<gross_sal;

}

};

void main()

{

clrscr();

salary s(1000,1000);

s.display_sal();

getch();

}

OUTPUT: