Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Java 9 Programming By Example

You're reading from   Java 9 Programming By Example Your guide to software development

Arrow left icon
Product type Paperback
Published in Apr 2017
Publisher Packt
ISBN-13 9781786468284
Length 504 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Author (1):
Arrow left icon
Peter Verhas Peter Verhas
Author Profile Icon Peter Verhas
Peter Verhas
Arrow right icon
View More author details
Toc

Table of Contents (11) Chapters Close

Preface 1. Getting Started with Java 9 2. The First Real Java Program - Sorting Names FREE CHAPTER 3. Optimizing the Sort - Making Code Professional 4. Mastermind - Creating a Game 5. Extending the Game - Run Parallel, Run Faster 6. Making Our Game Professional - Do it as a Webapp 7. Building a Commercial Web Application Using REST 8. Extending Our E-Commerce Application 9. Building an Accounting Application Using Reactive Programming 10. Finalizing Java Knowledge to a Professional Level

IntervalGuesser


We discussed the different Java language elements and JDK classes that are all available to implement parallel algorithms. Now, we will see how to use these approaches to implement the parallel guesser for the Masterrmind game.

The class that performs the creation of the guesses is named IntervalGuesser. It creates the guesses between a start and an end guess and sends them to a BlockingQueue. The class implements Runnable so it can run in a separate Thread. The purist implementation will separate the Runnable functionality from the interval guessing, but as the whole class is hardly more than 50 lines, it is forgivable sin implementing the two functionalities in a single class.

public class IntervalGuesser extends UniqueGuesser implements Runnable { 
     private final Guess start; 
     private final Guess end; 
     private Guess lastGuess; 
     private final BlockingQueue<Guess> guessQueue; 
  
     public IntervalGuesser(Table table, Guess start, Guess end, BlockingQueue...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image