C# - StreamWriter and StreamReader

0. Show text in Console

System.Console.Write("Showing\n"); 

System.Console.WriteLine("Showing");

1. Create a directory

System.IO.Directory.CreateDirectory("Test");

2. Create a file in "Test" folder.

string fileName = "Test\\data.txt";

if(File.Exists(fileName))

    File.Create(fileName).Close();

3. Write Text into "data.txt"

string fileName = "Test\\data.txt";

StreamWriter sw= new StreamWriter(fileName);



sw.Write("First");

sw.WriteLine("Second");



sw.Close();

4. Read Text from "data.txt"

string fileName = "Test\\data.txt";

StreamReader sr = new StreamReader(fileName);



System.Console.WriteLine("" + sr.Read());