Streams
n A Way to Read and Write Bytes from and to a Backing Store
l Stream classes inherit from System.IO.Stream
n Fundamental Stream Operations: Read, Write, and Seek
l CanRead, CanWrite, and CanSeek properties
n Some Streams Support Buffering for Performance
l Flush method outputs and clears internal buffers
n Close Method Frees Resources
l Close method performs an implicit Flush for buffered streams
n Stream Classes Provided by the .NET Framework
l NetworkStream, BufferedStream, MemoryStream, FileStream, CryptoStream
n Null Stream Instance Has No Backing Store