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 some features of external storage class in c program, Define some fe...

Define some features of external storage class in c program? The features of an external storage class variable are as follows: Storage - memory Default initial value -

Memory management operator, Memory Management Operator In C malloc( ), ...

Memory Management Operator In C malloc( ), calloc( ), realloc( ), and free( ) are used to mange dynamic memory.  In addition to these function C++ have derived two unary ope

C++, #questAt a shop of marbles, packs of marbles are prepared. Packets are...

#questAt a shop of marbles, packs of marbles are prepared. Packets are named A, B, C, D, E …….. All packets are kept in a VERTICAL SHELF in random order. Any numbers of packets wit

A palindrome is a string that reads the same from both the e, submitting so...

submitting solutions in C language should not use functions from / as these files do not exist in gcc

C program to find vowels , C Program to FIND VOWELS   void main() ...

C Program to FIND VOWELS   void main() {           char str[50];           int ac=0, ec=0, ic=0, oc=0, uc=0;           int i,stln,vc,word=1;           clrscr

Define meaning of call by reference - computer programming, Define the Mean...

Define the Meaning of Call by reference? In "call-by- reference", as an alternative of passing the value of a variable, the location number (or the address) of the variable is

Program to compute distance travelled by ball, Produce a pseudo code to be ...

Produce a pseudo code to be used for development compute and display some data on the bounces a ball will make when dropped from a given height. To simplify the problem, you ass

Super ASCII String Cost, A string S is said to be "Super ASCII", if it cont...

A string S is said to be "Super ASCII", if it contains the character frequency equal to their ascii values. String will contain only lower case alphabets (''a''-''z'') and the asci

Project, Project Overview A certain financial institution (bank) wishes to ...

Project Overview A certain financial institution (bank) wishes to promote its new business products/services by conducting road shows in rural areas. Their aim is to encourage peop

Briefly describe how a linear search algorithm works, Question 1: (a) D...

Question 1: (a) Describe the following objects and condition states: (i) ifstream and ofstream objects (ii) eof(), fail(), bad() and good() functions. (b) Write a C++ pr

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