CHAPTER 19Input/Output: Exploring java.io

This chapter explores java.io, which provides support for I/O operations. Chapter 13 presented an overview of Java’s I/O system, including basic techniques for reading and writing files, handling I/O exceptions, and closing a file. Here, we will examine the Java I/O system in greater detail.

As all programmers learn early on, most programs cannot accomplish their goals without accessing external data. Data is retrieved from an input source. The results of a program are sent to an output destination. In Java, these sources or destinations are defined very broadly. For example, a network connection, memory buffer, or disk file can be manipulated by the Java I/O classes. Although physically different, these ...

Get Java The Complete Reference, 8th Edition, 8th Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.