slip 8

/*Slip no : 8_1 Write a C++ program to create a class Employee which

  contains data members as Emp_Id, Emp_Name, Basic_Salary, HRA, DA, Gross_Salary.

  Write member functions to accept Employee information. Calculate and display

  Gross salary of an employee. (DA=12% of Basic salary and HRA = 30% of Basic

  salary) (Use appropriate manipulators to display employee information in

  given format :- Emp_Id and Emp_Name should be left justified and Basic_Salary,

  HRA, DA, Gross salary Right justified with a precision of two digits) */

#include<iostream.h>

#include<stdio.h>

#include<conio.h>

class emp

{

                int eid;

                float bs,hra,da,gs;

                char name[10];

                public:

                void accept()

                {

                                cout<<"enter id";

                                cin>>eid;

                                cout<<"enter name";

                                cin>>name;

                                cout<<"enter bs";

                                cin>>bs;

                }

                void display()

                {

                                cout<<"\n eid="<<eid<<"\n name="<<name<<"\n bssic salary = "<<bs;

                                cout<<"\n HRA = "<<(bs*0.30);

                                cout<<"\n DA = "<<(bs*0.12);

                                cout<<"\n Gross Salary = "<<(bs-((bs*0.12)+(bs*0.30)));

                }

};

void main()

{

                emp ob;

                clrscr();

                ob.accept();

                ob.display();

                getch();

}

/* Slip no : 8_2 Create a class Date containing members as:

dd

mm

yyyy

Write a C++ program for overloading operators >> and << to accept and display a Date also write a member function to validate a date. */

#include<conio.h>

#include<iostream.h>

class date

{

int dd,mm,yy;

public:

friend istream &operator>>(istream &,date &);

friend ostream &operator<<(ostream &,date &);

void validate()

{

int flag=0;

if(mm==2)

{

                if(yy%4==0)

                {

                                if(dd>=1&&dd<=29)

                                                flag=1;

                }

                else if(dd>=1&&dd<=28)

                                flag=1;

}

else if(mm==1||mm==3||mm==5||mm==7||mm==8||mm==10||mm==12)

{

                if(dd>=1&&dd<=31)

                                flag=1;

}

else

{              if(mm==4||mm==6||mm==9||mm==11)

                {

                                if(dd>=1&&dd<=30)

                                                flag=1;

                }

}

if(flag==1)

cout<<"valid date \t";

else cout<<"invalid date \t ";

}//end of validation

};

istream &operator>>(istream &in,date &ob)

{

cout<<"enter date";

cin>>ob.dd;

cout<<"enter month";

cin>>ob.mm;

cout<<"enter year";

cin>>ob.yy;

return in;

}

ostream &operator<<(ostream &out,date &n)

{

cout<<n.dd<<"/"<<n.mm<<"/"<<n.yy;

return out;

}

void main()

{

date ob;

clrscr();

cin>>ob;

ob.validate();

cout<<ob;

getch();

}