Java How to Program, Early Objects, 11th Edition

15.8 Wrap-Up

In this chapter, you learned how to manipulate persistent data. We compared byte-based and character-based streams, and introduced several classes from packages java.io and java.nio.file. You used classes Files and Paths and interfaces Path and DirectoryStream to retrieve information about files and directories. You used sequential file processing to manipulate records that are stored in order by the record-key field. You used XML serialization to store and retrieve entire objects. The chapter concluded with a small example of using a JFileChooser dialog to allow users to easily select files from a GUI. The next chapter discusses Java’s classes for manipulating collections of data—such as class ArrayList, which we introduced in ...