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Java Coding Problems

You're reading from Java Coding Problems Become an expert Java programmer by solving over 250 brand-new, modern, real-world problems

Product type Paperback

Published in Mar 2024

Publisher Packt

ISBN-13 9781837633944

Length 798 pages

Edition 2nd Edition

Languages

Java

Concepts

Programming Language

Author (1):

Anghel Leonard

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Table of Contents (16) Chapters

Preface

1. Text Blocks, Locales, Numbers, and Math

2. Objects, Immutability, Switch Expressions, and Pattern Matching FREE CHAPTER

3. Working with Date and Time

4. Records and Record Patterns

5. Arrays, Collections, and Data Structures

6. Java I/O: Context-Specific Deserialization Filters

7. Foreign (Function) Memory API

8. Sealed and Hidden Classes

9. Functional Style Programming – Extending APIs

10. Concurrency – Virtual Threads and Structured Concurrency

11. Concurrency ‒ Virtual Threads and Structured Concurrency: Diving Deeper

12. Garbage Collectors and Dynamic CDS Archives

13. Socket API and Simple Web Server

14. Other Books You May Enjoy

15. Index

17. Creating a Locale

A Java Locale (java.util.Locale) represents an object that wraps information about a specific geographical, political, or cultural region – that is, an object useful for internationalization purposes. A Locale is typically used in conjunction with DateFormat/DateTimeFormatter to represent date-time in a format specific to a country, with NumberFormat (or its subclass, DecimalFormat) used to represent numbers in a format specific to a country (for instance, to represent an amount of money in a specific currency), or with MessageFormat to create formatted messages for a specific country.

For the most popular locales, Java provides a list of constants (for instance, Locale.GERMANY, Locale.CANADA, and so on). For locales that are not on this list, we have to use the formats defined in several RFCs. Most commonly, we use the language pattern (for instance, ro for Romanian) or the language_country pattern (for instance, ro_RO for Romania, en_US for United...

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Authors (1)

Anghel Leonard

Anghel Leonard

Anghel Leonard is a chief technology strategist and independent consultant with 20+ years of experience in the Java ecosystem. In his daily work, he is focused on architecting and developing Java-distributed applications that empower robust architectures, clean code, and high performance. He is also passionate about coaching, mentoring, and technical leadership. He is the author of several books, videos, and dozens of articles related to Java technologies.

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