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

Explanation of break statement, Problem 1. Explain Break and continue s...

Problem 1. Explain Break and continue statements in C++. Explanation of Break statement Explanation of Continue statement 2. Explain concepts of constructors and

Program of three numbers arguments and returns the sum , Define a procedure...

Define a procedure that takes three numbers as arguments and returns the sum of the squares of the two larger numbers.

#Luminous Jewels, #Byteland county is very famous for luminous jewels. Lumi...

#Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Ne

C language, There is a pebble merchant. He sells the pebbles, that are used...

There is a pebble merchant. He sells the pebbles, that are used for shining the floor. His main duty is to take the length of the room’s sides. But he sometimes mistakes doing that

Queue - c++ program, Queue - C++ program: Write a program to show the ...

Queue - C++ program: Write a program to show the basic operations on queue. namespace stack {  const int max_size = 200;  char v(max_size);  int top=0;  void pu

GPA Calculator, I am having trouble declaring a variable and returning a va...

I am having trouble declaring a variable and returning a value from my function.

Virtual destructor, What about Virtual Destructor? describe it.

What about Virtual Destructor? describe it.

Create complex number using constructor , Create Complex number using const...

Create Complex number using constructor: class complex                                 {                                                   private:

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