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The Java Workshop

You're reading from   The Java Workshop Learn object-oriented programming and kickstart your career in software development

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Product type Paperback
Published in Oct 2019
Publisher Packt
ISBN-13 9781838986698
Length 606 pages
Edition 1st Edition
Languages
Tools
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Authors (3):
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Eric Foster-Johnson Eric Foster-Johnson
Author Profile Icon Eric Foster-Johnson
Eric Foster-Johnson
Andreas Göransson Andreas Göransson
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Andreas Göransson
David Cuartielles David Cuartielles
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David Cuartielles
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Toc

Table of Contents (20) Chapters Close

Preface 1. Getting Started 2. Learning the Basics FREE CHAPTER 3. Object-Oriented Programming 4. Collections, Lists and Java's Built-In APIs 5. Exceptions 6. Libraries, Packages, and Modules 7. Databases and JDBC 8. Sockets, Files, and Streams 9. Working with HTTP 10. Encryption 11. Processes 12. Regular Expressions 13. Functional Programming with Lambda Expressions 14. Recursion 15. Processing Data with Streams 16. Predicates and Other Functional Interfaces 17. Reactive Programming with Java Flow 18. Unit Testing Appendix

17. Reactive Programming with Java Flow

Activity 1: Let NumberProcessor Format Values as Integers

Solution

  1. Change the processors published item type to Integer. Make the necessary changes in the implementation to match the new type:

    Activity1.java

    53             @Override
    54             public void onComplete() {
    55                 System.out.println("onComplete()");
    56             }
    57         });
    58     }
    59
    60
    61     private static String[] getStrings() {
    62         String filePath = "res/numbers.txt";
    63      ...
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