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Java 8 Essential Training

Managing files with Java 7's new I/O library

From the course: Java 8 Essential Training

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  • Course details

    If you want to build applications for mobile devices, desktop computers, or the web, you need to know Java. This course provides the foundation for learning Java SE (Standard Edition), so you can build your first apps or start exploring the language on your own. Author David Gassner shows how to install Java and the IntelliJ IDEA IDE, and start working with variables, data types, keywords, and other critical language components. He also helps you control program flow with conditional logic and loops, store data with the Java Collections Framework, and understand how Java implements object-oriented coding principles such as inheritance and polymorphism.


    • Click here to view David Gassner’s instructor page

      David Gassner

      Managing Staff Instructor, LinkedIn Learning Technology Library at LinkedIn

      David Gassner is the author of over 60 video-based technical training courses for software developers.

      David is a senior staff instructor who specializes in development platforms and programming languages including Android and Java. He currently creates training content for Android developers and content that covers multiple programming languages including Java, C#, Visual Basic, and Go. He was formerly the president and founder of Bardo Technical Services, an Adobe Solutions Network Training Provider. As an Adobe Certified Expert, he wrote courseware for Adobe and delivered extensive training on Flex, ColdFusion, Dreamweaver and Flash. He was the author of Wiley's Flex 3 Bible and Flash Builder 4 and Flex 4 Bible. He most recently designed and developed Audio Cues—an Android app for running sound in live performances—which is available in the Google Play store.

    Skills covered in this course

  • Welcome

    - In Java 7, a new IO library was introduced that greatly simplified a lot of common operations. You can only use this library in Java 7 and later and unfortunately, at least at this point, it has not been implemented for Android. So Android developers will still need to use those older classes. But I'll show you how to accomplish the same task I did earlier, copying a simple file. In this project, NewIO, I'm once again starting with the file named loremipsum.txt in a file subdirectory of the project. And this time, I'll be able to copy the file with far less code. I'll start in my Main method by creating two instances of a class named Path. The Path class is a member of the package java.nio.file and it needs to be imported. A Path object can point to either a directory or a file. In this case, it's going to point to my loremipsum.txt file. To get the reference to the file, I'll use another class named Paths. All of the methods of this class are static and I'll use this one, the get…

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