Chapter     11

Performing Classic I/O

Applications often input data for processing and output processing results. Data is input from a file or some other source and is output to a file or some other destination. Java supports I/O via the classic I/O APIs located in the java.io package and the new I/O APIs located in java.nio and related subpackages (and java.util.regex). This chapter introduces you to the classic I/O APIs.

Note  You’ve already experienced classic I/O in the context of Chapter 1’s Standard I/O coverage.

Working with the File API

Applications often interact with a filesystem, which is usually expressed as a hierarchy of files and directories starting from a root directory.

Android and other platforms on which a virtual machine ...

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