. NET IO: Byte stream

Using the Stream class to manage the byte stream

Using the FileStream class to manage file data

Using the MemoryStream class to manage memory data

Using the Bufferedsream class to improve flow performance

3.1FileStream

MemoryStream

Seek positioning, addressing

BufferedStream

3.2 Managing Application Data

Text, Stream, string, and binary data

Managing text data and strings

(1) TextReader Class (abstract class)

(2) TextWriter Class (abstract class)

Managing strings

Managing binary data with BinaryReader and Binarywrter

3.2.1.file Operations

       Really associated to a file            //streamreader to a text file: Read <--parent class: Stream            //streamwriter to text file: Write <--parent class: Stream            string file = @ "F:\text.txt";            FileStream fs = File.Open (File, filemode.openorcreate);            StreamWriter SW = new StreamWriter (fs);            Sw. WriteLine ("Now: {0},", DateTime.Now);            Sw. Flush ();            Sw. Close ();            StreamReader sr = new StreamReader (File.Open (File, FileMode.Open));            Console.WriteLine (Sr. ReadToEnd ());

3.2.2.string Manipulation

         In memory, string is manipulated as a file to              //stringreader to string: Read <--textreader            //stringwriter to string: Write <--textwiter            StringBuilder sb = new StringBuilder ();            StringWriter SWS = new StringWriter (SB);            SwS. WriteLine (123 + 321);            SwS. WriteLine (true);            StringReader SRR = new StringReader (sb.) ToString ());            Console.WriteLine (SRR. ReadToEnd ());

3.2.3.Binary Operations

        Binary            BinaryWriter bw = new BinaryWriter (File.Open (@ "F:\a.dat", FileMode.OpenOrCreate));            Bw. Write (true);            Bw. Write (' A ');            Bw. Write (123);            Bw. Flush ();            Bw. Close ();            Read in order            binaryreader br = new BinaryReader (File.Open (@ "F:\a.dat", FileMode.Open));            Console.WriteLine (Br. Readboolean ());    Corresponds to True            Console.WriteLine (Br. ReadChar ());       Corresponds to ' A '            Console.WriteLine (Br. ReadInt32 ());      Corresponds to 123

(GO). NET IO: Byte stream