October 2015
Intermediate to advanced
552 pages
11h 8m
English
Content preview from Java I/O, NIO and NIO.2Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 2
File
Applications often interact with a file system, which is usually implemented as a hierarchy of files and directories starting from a root directory. Operating systems on which a Java virtual machine (JVM) runs typically support at least one file system. For example, Unix/Linux combines all mounted (attached and prepared) disks into one virtual file system. In contrast, Windows associates a separate file system with each active disk drive. Java offers access to the underlying operating system’s available file system(s) via its concrete java.io.File class, which this chapter explores.
Constructing File Instances
An instance of the File class contains an abstract representation of a file or directory path (a compact map that locates ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.