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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

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Product type Paperback
Published in Mar 2024
Publisher Packt
ISBN-13 9781837633944
Length 798 pages
Edition 2nd Edition
Languages
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Author (1):
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Anghel Leonard Anghel Leonard
Author Profile Icon Anghel Leonard
Anghel Leonard
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Toc

Table of Contents (16) Chapters Close

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

Problems

Use the following problems to test your programming prowess on date and time. I strongly encourage you to give each problem a try before you turn to the solutions and download the example programs:

  1. Defining a day period: Write an application that goes beyond AM/PM flags and split the day into four periods: night, morning, afternoon, and evening. Depending on the given date-time and time zone generate one of these periods.
  2. Converting between Date and YearMonth: Write an application that converts between java.util.Date and java.time.YearMonth and vice versa.
  3. Converting between int and YearMonth: Let’s consider that a YearMonth is given (for instance, 2023-02). Convert it to an integer representation (for instance, 24277) that can be converted back to YearMonth.
  4. Converting week/year to Date: Let’s consider that two integers are given representing a week and a year (for instance, week 10, year 2023). Write a program that converts 10...
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