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

Flow chart, how made a flow chart of prime number by using for loop

how made a flow chart of prime number by using for loop

How many non-letters are included in the string, Write a fully modular C pr...

Write a fully modular C program that reads in a string of a defined size from the keyboard and reports how many times each letter of the alphabet occurs within that string (ignorin

Coding, dispaly the last ant on rod

dispaly the last ant on rod

C++, padovan string c++ program

padovan string c++ program

What are literals, Literals (Constants) Constants are data storage loca...

Literals (Constants) Constants are data storage locations whose address is not accessible for the user. Their value is not altered during the course of the program. Literal

Integral, Write a program to find the area under the curve y = f(x) between...

Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b

Described local class? why can it be useful?, It is a class defined in the ...

It is a class defined in the scope of a function _ any function, whether a member functions or a free function. For instance: // Example : Local class // int f() { c

Explain multiple inheritance, Multiple Inheritance Multiple inheritance ,...

Multiple Inheritance Multiple inheritance , as the name suggests , is  deriving a class from more than one class . The derived class inherits all the properties of all its base c

Program to spider''s path display to the screen, Spider webs have two types...

Spider webs have two types of silk, sticky silk and strength silk, spiders do not move on the sticky silken threads only on the strength threads. Assume one type of spider creates

Padovan string, padovan string for a natural number is defined

padovan string for a natural number is defined

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