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C# StreamWriterC# StreamWriter class is used to write characters to a stream in specific encoding. It inherits TextWriter class. It provides overloaded write() and writeln() methods to write data into file. C# StreamWriter exampleLet's see a simple example of StreamWriter class which writes a single line of data into the file.
using System;
using System.IO;
public class StreamWriterExample
{
public static void Main(string[] args)
{
FileStream f = new FileStream("e:\\output.txt", FileMode.Create);
StreamWriter s = new StreamWriter(f);
s.WriteLine("hello c#");
s.Close();
f.Close();
Console.WriteLine("File created successfully...");
}
}
Output: File created successfully... Now open the file, you will see the text "hello c#" in output.txt file. output.txt: hello c#
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