The Well-Grounded Java Developer

Chapter 2. New I/O

This chapter covers

• The new Java 7 I/O APIs (aka NIO.2)
• Path—the new foundation for file- and directory-based I/O
• The Files utility class and its various helper methods
• How to solve common I/O use cases
• An introduction to asynchronous I/O

One of the larger API changes in the Java language—a major update to the set of I/O APIs, called “more New I/O” or NIO.2 (aka JSR-203)—is the focus of this chapter. NIO.2 is a set of new classes and methods, that primarily live in the java.nio package.

• It’s an out-and-out replacement of java.io.File for writing code that interacts with the filesystem.
• It contains new asynchronous classes that will allow you to perform file and network I/O operations in a background thread without ...