Answer Detail: RE: Write Object into a File

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Question: Write Object into a File

Answer: How will you write object into file using file concepts in C++?

February 02, 2009 00:08:34	#1
chaamurah	Member Since: February 2009 Total Comments: 1
RE: Write Object into a File
#include #include //for i/o operations with respect to files class Employee { int id; char name[20]; public: void set_details() { cout<<"enter name"< cin>>name; //dont give blanks in between the name cout<<"enter id"< cin>>id; } void display_details() { cout<<"name : "< cout<<"id :"< } }; int main() { //open the file file_name for writing objects.fstream object used for both input and output operations with respect to files fstream fobj("file_name.txt",ios::out\|ios::app); Employee eobj; char ch; //to write in to file //this do while loop will take the details of employee to an object and writes in to the file until u press 'n' or than 'y' do { cout<<"enter the employee details"< eobj.set_details(); //using write method we can write in to the file fobj.write ( (char )(&eobj) , sizeof(eobj) ); cout<<"do u want to enter one more record (Y OR N)"< cin>>ch; }while(ch=='y' \|\| ch =='Y') fobj.close(); //to read from the file fobj.open("file_name.txt",ios::read); //read all the objects using read method and displaying.when read encounters end of file returns null. while( fobj.read ( (char )&eobj , sizeof(eobj) ) ) fobj.display_details(); fobj.close(); }