OutputStream « File Input Output « Java

1.String Buffer OutputStream
2.A null output stream. All data written to this stream is ignored.
3.Memory Byte Array OutputStream
4.Read from InputStream and write to OutputStream
5.Compare the contents of two Streams to determine if they are equal or not.
6.Byte Counting OutputStream
7.Counting OutputStream
8.A utility class that allows for easy simple obfuscation of streamed data