Specifications

Sun Services

Java™ Programming Language

Module 14, slide 4 of 22

I/O Fundamentals

•Astream can be thought of as a flow of data from a

source or to a sink.

•Asource stream initiates the flow of data, also called an

input stream.

•Asink stream terminates the flow of data, also called an

output stream.

• Sources and sinks are both node streams.

• Types of node streams are files, memory, and pipes

between threads or processes.