Output file stream is used to send or write data to a

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Unformatted text preview: d to send or write data to a file. For each file that your program uses, a distinct file stream object must be created. Declaration of input and output file stream ifstream in_stream; ofstream out_stream; Ifstream and ofstream are classes. in_stream and out_stream are objects of class ifstream and ofstream. File stream methods or functions Each file stream object has access to prewritten functions defined for its respective ifstream or ofstream class. Functions like opening a file, closing a file, reading data from a file, writing data from a file etc... #include<fstream.h> #include<stdlib.h> // needed for exit() int main() { in_file.open("test.dat"); if(in_file.fail())//check for a successful open { cout<<"file not opened"<<endl; exit(1); } cout<<The file has been successfully opened<<endl; return 0; } Example 1...
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