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Java 9: Building Robust Modular Applications

You're reading from Java 9: Building Robust Modular Applications Master advanced Java features and implement them to build amazing projects

Product type Course

Published in Apr 2018

Publisher Packt

ISBN-13 9781788832823

Length 910 pages

Edition 1st Edition

Languages

Java

Tools

HTTP

Concepts

Application Development

Authors (3):

Dr. Edward Lavieri Jr.

Jason Lee

Peter Verhas

View More author details

Table of Contents (33) Chapters

Title Page - Courses

Packt Upsell - Courses

Preface

1. The Java 9 Landscape FREE CHAPTER

2. Discovering Java 9

3. Java 9 Language Enhancements

4. Building Modular Applications with Java 9

5. Migrating Applications to Java 9

6. Experimenting with the Java Shell

7. Leveraging the New Default G1 Garbage Collector

8. Microbenchmarking Applications with JMH

9. Making Use of the ProcessHandle API

10. Fine-Grained Stack Tracing

11. New Tools and Tool Enhancements

12. Concurrency and Reactive Programming

13. Security Enhancements

14. Command Line Flags

15. Best Practices In Java 9

16. Future Directions

17. Introduction

18. Managing Processes in Java

19. Duplicate File Finder

20. Date Calculator

21. Sunago - A Social Media Aggregator

22. Sunago - An Android Port

23. Email and Spam Management with MailFilter

24. Photo Management with PhotoBeans

25. Taking Notes with Monumentum

26. Serverless Java

27. DeskDroid - A Desktop Client for Your Android Phone

28. What is Next?

1. Bibliography

Index

Chapter 19. Duplicate File Finder

Any system that's been running for a while starts to suffer from hard drive clutter. This is especially true, for example, with large music and photo collections. Except for the most fastidious files getting copied and moved, we end up with a copy here and a copy there. The question is, though, which of these are duplicates and which are not? In this chapter, we'll build a file-walking utility that will scan a set of directories looking for duplicate files. We'll be able to specify whether the duplicates should be deleted, quarantined, or simply reported.

In this chapter, we will cover the following topics:

The Java Platform Module System
The Java NIO (New I/O) File APIs
File hashing
Java Persistence API (JPA)
The new Java Date/Time API
Writing command-line utilities
More JavaFX

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Authors (3)

Jason Lee

Jason Lee

Jason Lee has been writing software professionally for over 20 years, but his love for computers started over a decade earlier, in the fourth grade, when his dad brought home a Commodore 64. He has been working with Java for almost his entire career, with the last 12+ years focused primarily on Enterprise Java. He has written in-house web applications and libraries, and also worked on large, more public projects, such as the JavaServer Faces reference implementation Mojarra, GlassFish, and WebLogic Server. Jason is currently the President of the Oklahoma City Java Users Group, and is an occasional speaker at conferences. Ever the technology enthusiast, his current interests include cloud computing, mobile development, and emerging JVM languages. Apart from work, Jason enjoys spending time with his wife, Angela, and his two sons, Andrew and Noah. He is active in the music ministry of his local church, and enjoys reading, running, martial arts, and playing his bass guitar.

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Peter Verhas

Peter Verhas

Peter Verhas is a senior software engineer and software architect with an electrical engineering and economics background from TU Budapest (MsC) and PTE Hungary (MBA), and he also studied at TU Delft and TU Vienna. He created his first programs in 1979, and since then he has authored several open source programs. He has worked in several positions in the telecommunications and finance industries. Peter works for EPAM Systems in Switzerland, participating in software development projects at various customer sites, and he supports talent acquisition by interviewing candidates, running training programs for developers, and internal mentoring programs. He regularly talks at various international conferences.

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Dr. Edward Lavieri

Dr. Edward Lavieri

Dr. Edward Lavieri is a veteran software engineer and developer with a strong academic background. He earned a Doctorate of Computer Science from Colorado Technical University, an MS in Management Information Systems (Bowie State University), an MS in Education (Capella University), and an MS in Operations Management (University of Arkansas). He has been creating and teaching computer science courses since 2002. Edward retired from the U.S. Navy as a Command Master Chief after 25 years of active service. He is the founder and creative director of three19, a software design and development studio. Edward has authored more than a dozen technology books, including several on Java.

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