The Java® Tutorial: A Short Course on the Basics, 6th Edition

11. Basic I/O and NIO.2

Chapter Contents

I/O Streams

File I/O (Featuring NIO.2)

Summary

Questions and Exercises: Basic I/O

This chapter covers the Java platform classes used for basic input/output (I/O). It first focuses on I/O streams, a powerful concept that greatly simplifies I/O operations. The chapter also looks at serialization, which lets a program write whole objects out to streams and read them back again. Then the chapter looks at file I/O and file system operations, including random access files. Most of the classes covered in the “I/O streams” section are in the java.io package. Most of the classes covered in the “File I/O” section are in the java.nio.file package.

I/O Streams

An I/O stream represents an input source or an output ...