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Differentiate between ios::in and ios::out.

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ios::in mode ios::out mode
Opens file for reading only Open file for writing only
Ifstream is stream type Ofstream is stream type
Syntax: fstream“filename”, ios::in);

Syntax: fstream“filename”, ios::out);

For example, fstream“text.dat”, ios::in); For example, fstream“text.dat”,ios::app);

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