What do you mean by StreamReader/StreamWriter class in c#?
StreamReader and StreamWriter are two different classes in namespace System.IO. Both of these classes are used when the user wants to read or write charact90 and Reader-based data, respectively.
Members of StreamReader inlcude, Close(), Read(), Readline().
Members of StreamWriter include, Close(), Write(), Writeline().
BY Best Interview Question ON 14 Feb 2019