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

Write a c++ program that calculates the area of a circle, Write a C++ progr...

Write a C++ program that calculates the area of a circle, rectangle and square using overloaded versions of a function area ().Your program should include both declarations and def

Define a structure in c++, Define a structure in C++: Write a program ...

Define a structure in C++: Write a program a structure in c++ program. void main() {                 struct player                 {                 char name[2

Vectors, A body which has three forces acting on it is in equilibrium. One ...

A body which has three forces acting on it is in equilibrium. One force is 3N to the North and the other is 4N to the west. What us the magnitude and direction of the third force?

Genetic disease, Many human diseases could be controlled by the knowledge o...

Many human diseases could be controlled by the knowledge of the gene’s structure and pattern. The human gene could be represented by four nucleotides. Each nucleotide is represente

Compiler design, Compiler Design - Limit In The Method Instructions

Compiler Design - Limit In The Method Instructions

Is it possible to create your own header files, Is it possible to create yo...

Is it possible to create your own header files? - Yes, it's possible to create a customized header file. - To do this, you just need to include function prototypes that you

Implementation of the dictionary class, Implementation of the Dictionary cl...

Implementation of the Dictionary class: int Dictionary::find_word(char *s) {    char word[81];    for (int i = 0; i       if (stricmp(words[i].get_word(word),s) =

Explain the default constructor and destructor, The default Constructor and...

The default Constructor and Destructor If you fail to write a constructor and destructor function,  the compiler automatically supplies them for you. These functions have publi

Lcm, lcm program.

lcm program.

Source code, processing two jobs through 2 machine

processing two jobs through 2 machine

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