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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
Author Profile Icon Andreas Göransson
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

9. Working with HTTP

Activity 1: Using the jsoup Library to Download Files from the Web

Solution

The program is relatively short. The main task is to figure out the CSS query for the select() method call:

  1. Create a class named Activity1.
  2. In main(), start a try-catch block
            try {
                
            } catch (IOException e) {
                e.printStackTrace();
            }
  3. Inside the try block, use the Jsoup library to download the contents of the remote Web page located at https://packt.live/2BqZbtq. This will result in the Web page contents stored in a Document object.
            String url = "http://hc.apache.org/";
              &...
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