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

C programming a video player, FIT 3042 System Tools and Programming Languag...

FIT 3042 System Tools and Programming Languages Semester 1 2013 Assignment 1 An SDL video player for a custom video format Worth: 20% of final mark. Must be completed individually

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

Why php is also known as scripting language, Why PHP is also known as scrip...

Why PHP is also known as scripting language? PHP is fundamentally a general purpose language, which is used to write scripts. Scripts are normal computer files which comprises

Stack operations - c++, Stack operations - C++: Write a program to def...

Stack operations - C++: Write a program to define basic stack operations in c++. int Stack::push(int elem) {    int m = getmax();    if (top    {       put_

If statement, Write a program to input two integers. If they are equal disp...

Write a program to input two integers. If they are equal display "The numbers are equal". Otherwise display a message if the first is a multiple of the second or if it is not a mul

Command-line arguments, Command-line arguments are passed into programs usi...

Command-line arguments are passed into programs using the arguments of main(). Here's a quick example, for a program called by typing "progname file.txt 1 2.7": #include #incl

Object oriented programming, implementation of the power and factorial in p...

implementation of the power and factorial in programs

Assignment, Ask question #MA company is rewriting its payroll system to mov...

Ask question #MA company is rewriting its payroll system to move it from an old mainframe to a distributed mini-computer/PC-based networked setup. No new functionality will be adde

C program to demonstrate call by reference, C program to demonstrate call b...

C program to demonstrate call by reference: void disp(int *,int*,int*,int*); void main() {                 int a=2,b=3, sum,mul;                 printf("Enter 1st n

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