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20 |
Input/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, ...
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