Java 17 Quick Syntax Reference

1. Front Matter

   Pages i-xvi

   PDF

2. Hello World

   • Mikael Olsson

   Pages 1-4

3. Compile and Run

   • Mikael Olsson

   Pages 5-7

4. Variables

   • Mikael Olsson

   Pages 9-14

5. Operators

   • Mikael Olsson

   Pages 15-19

6. String

   • Mikael Olsson

   Pages 21-25

7. Arrays

   • Mikael Olsson

   Pages 27-30

8. Conditionals

   • Mikael Olsson

   Pages 31-35

9. Loops

   • Mikael Olsson

   Pages 37-40

10. Methods

    • Mikael Olsson

    Pages 41-45

11. Class

    • Mikael Olsson

    Pages 47-54

12. Static

    • Mikael Olsson

    Pages 55-58

13. Inheritance

    • Mikael Olsson

    Pages 59-63

14. Overriding

    • Mikael Olsson

    Pages 65-69

15. Packages and Import

    • Mikael Olsson

    Pages 71-73

16. Modules

    • Mikael Olsson

    Pages 75-77

17. Access Levels

    • Mikael Olsson

    Pages 79-84

18. Constants

    • Mikael Olsson

    Pages 85-87

19. Interface

    • Mikael Olsson

    Pages 89-95

20. Abstract

    • Mikael Olsson

    Pages 97-99

Quickly gain the insight necessary to address a multitude of Java coding challenges using this succinct reference guide, Java 17 Quick Syntax Reference, Third Edition. Short, focused code examples will help you learn and master various existing and new Java source code elements.  

This edition includes the following additions to Java SE and OpenJDK, through Java 17: Pattern matching for switch and instanceof, Sealed classes and interfaces, Switch expressions, Text block multiline strings, Java module system, Private methods in interfaces, and Type inference for local variables.

You won’t find any technical jargon, bloated samples, drawn out history lessons or witty stories in this book. What you will find is a language reference that is concise, to the point and highly accessible. The book is packed with useful information and is a must-have for any Java programmer.

What You Will Learn

• Run a Java file with a single command
• Learn what a switch expression is and how to use it
• Use pattern matching
• Code with Java modules
• Create text blocks to handle multiline strings
  
• Learn what sealed classes are and how to use these and more

Who This Book Is For



Those with prior experience with Java who want a quick and handy reference. 

• Java 14
• Java 15
• quick
• syntax
• reference
• source code
• code
• cookbook
• pocket
• snippets
• recipes
• pocket
• Java 11
• Java 13
• Java 12
• Java 10
• LTS
• OpenJDK
• Oracle

• Hammarland, Finland

  Mikael Olsson

Mikael Olsson is a professional web entrepreneur, programmer, and author. He works for an R&D company in Finland where he specializes in software development. In his spare time he writes books and creates websites that summarize various fields of interest. The books he writes are focused on teaching their subject in the most efficient way possible, by explaining only what is relevant and practical without any unnecessary repetition or theory.

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