C program to create a file student.dat, C/C++ Programming

Assignment Help:

Program is to create a file student.dat:

Program is to create a file student.dat which contains all name, roll_no,marks(5 sub) and percentage

  class student

   {

   private:

    char name[20];

    int roll;

    int marks[5];

    int total;

    float perc;

   public:

    student()

     {

     total=0;

     }

     void input();

     void output();

     };

 

 void student::input()

  {

  clrscr();

  cout<<" enter your name ";

  gets(name);

  cout<<" enter your roll no. ";

  cin>>roll;

  cout<<" enter the marks of five subjects "<<"\n";

  for (int i=0;i<5;i++)

    {

    cout<<" enter marks";

    cin>>marks[i];

    total=total + marks[i];

    }

   }

 void student::output()

   {

   clrscr();

   perc=total/5;

    if (perc>=60)

      {

     cout<<" the name is "<

     cout<<" the total marks obtained out of (500) "<

     cout<<" the percentage "<

     }

    else

     cout<<" the percten tage is less then 60 ";

   }

 

  void main()

    {

    clrscr();

   student info;

   fstream file;

   file.open("student.dat",ios::in|ios::out);

   int n;

   cout<<" enter the number for which u want to enter data";

   cin>>n;

   for(int i=1;i<=n;i++)

     {

     info.input();

     file.write((char *)& info,sizeof(info));

     }

     file.close();

     file.open("student.dat",ios::in);

     while(file)

      {

    file.write((char *)& info,sizeof(info));

    info.output();

    }

   file.close();

   }


Related Discussions:- C program to create a file student.dat

Develop activation tool for unattend reseal.xml, Project Description: We...

Project Description: We refurbish older computer and send them back into the market with windows 7 operating system. We are presently using windows deployment services through P

Hotel booking, Construct a console program to manage the booking of a Hotel...

Construct a console program to manage the booking of a Hotel room.

Write down the code for binary search tree in c++?, A: BinarySearchTree.h ...

A: BinarySearchTree.h ---------------------- #ifndef BINARY_SEARCH_TREE_H_ #define BINARY_SEARCH_TREE_H_ #include "dsexceptions.h" #include // For NULL // Binary

Pascal, Binomial coefficients are the numeric factors of the products in a ...

Binomial coefficients are the numeric factors of the products in a power of a binomial such as (x + y)n. For example, (x + y)2 = x2 + 2 x y + y2 has the coefficients 1 2 1. Binomia

Member dereferencing operators, M em b e r d e r e f e r e n c ...

M em b e r d e r e f e r e n c i ng o p e r a t o r s: T h e s e op e r a t o r s w i l l b e d i s c u s s e d l a t

Friend function in c++, Friend function in c++: class miles; class ...

Friend function in c++: class miles; class km  {    float value;    public :   // void input();     km convert(km  ,int a ) ;    void output()    {

String-classes-constructors and member functions, Objective Using C++ s...

Objective Using C++ string, classes, constructors and member functions. Task A Write a program (book.cpp) to store a list of book titles and the published dates. Your pro

Can you overload a function depend only on whether parameter, Can you overl...

Can you overload a function depend only on whether a parameter is a value or a reference? A: No. Passing by value and reference looks identical to the caller.

Poop, hwat is the area fsdjlakl;aeklfjtealrtl;gka

hwat is the area fsdjlakl;aeklfjtealrtl;gka

Optimize and profile a c++ library for speed, Optimize and Profile a C++ li...

Optimize and Profile a C++ library for speed Project Description:  Optimize and Profile an existing C++ library for speed. This library uses OpenMP and OpenCV and C++ stan

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd