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

Define the data type qualifiers in c language, Define the Data Type Qualifi...

Define the Data Type Qualifiers in c Language? 1. const 2. volatile const: The const qualifier is used to tell C that the variable value can't change after initialization.

C program for count sorted characters, # include stdio.h> # include coni...

# include stdio.h> # include conio.h> # include string.h> void main()   {           int i=0,j=0;           char a[100],temp;           clrscr();

Draw a circle in c program , Draw a circle in c program: void main() ...

Draw a circle in c program: void main() { clrscr(); int i,r=50,t,j,x,y; int gd,gm; gd =DETECT; initgraph(&gd,&gm,""); for(x=50;x for(y=50;y {   i

Decode the code, By pressing ‘6’ (i.e. key’6’ one time) on the keypad, the ...

By pressing ‘6’ (i.e. key’6’ one time) on the keypad, the mobile shows ‘m’ on display screen in write text message area .

Bitcoin alternative – deployment and modification, I started preparing an a...

I started preparing an alternative cryptocurrency and I am way over my head. I would like help in making modifications to the open source files and then help with deployment. I wil

C program for exchange first & last character, Normal 0 false ...

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

#title. c program on pebble merchant, #questThere is a pebble merchant. He ...

#questThere 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 doin

What is buddy systems, Buddy systems : A method of handling the storage man...

Buddy systems : A method of handling the storage management problem is kept individual free lists for blocks of dissimilar sizes. Every list having free blocks of only one particul

Smuggler, Smugglers are becoming very smart day by day. Now they have devel...

Smugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, they are send

Can i employ realloc() on pointers allocated through new?, A: No.       ...

A: No.       While realloc() need to copy the allocation, this uses a bitwise copy operation, that will tear several C++ objects to shreds. C++ objects must be allowed to copy t

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