ASSIGNMENT -- DATA FILE HANDLING PART 2

DATA FILE HANDLING PART 2

Q 12    Following is the structure of each record in a data file named “Colony.dat”                                               

struct Colony

{

            char colony_code[10];

            char colony_name[10];

            int no_of_people;

};

            Wite a function to update the file with a new value of No_of_people. The value of colony_code and no_of_people  are read during the execution of the program.

Q 13     Assuming the class ZOO given below, write functions in C++ to perform following:

i.                    Write the objects of ZOO to a binary file.

ii.                  Read the objects of ZOO from binary file and display them on screen.

            class ZOO

            {

                        char location[20];

                        int no_of_animals[10];

                        public:

                                    void readdata()

                                    {

                                                cin>>location;

                                                gets(no_of_animals);

                                    }

                                    void writedata()

                                    {

                                                cout<

                                    }

            };