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Java 9 with JShell

You're reading from   Java 9 with JShell Introducing the full range of Java 9's new features via JShell

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Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781787282841
Length 408 pages
Edition 1st Edition
Languages
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Author (1):
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Gaston C. Hillar Gaston C. Hillar
Author Profile Icon Gaston C. Hillar
Gaston C. Hillar
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Table of Contents (16) Chapters Close

Preface 1. JShell – A Read-Evaluate-Print-Loop for Java 9 FREE CHAPTER 2. Real-World Objects to UML Diagrams and Java 9 via JShell 3. Classes and Instances 4. Encapsulation of Data 5. Mutable and Immutable Classes 6. Inheritance, Abstraction, Extension, and Specialization 7. Members Inheritance and Polymorphism 8. Contract Programming with Interfaces 9. Advanced Contract Programming with Interfaces 10. Maximization of Code Reuse with Generics 11. Advanced Generics 12. Object-Oriented, Functional Programming, and Lambda Expressions 13. Modularity in Java 9 A. Exercise Answers Index

Chapter 3. Classes and Instances

In this chapter, we will start working with examples on how to code classes and customize the initialization of instances in Java 9. We will understand how classes work as blueprints to generate instances and dive deeply into the garbage collection mechanism. We will:

  • Understand classes and instances in Java 9
  • Work with object initialization and its customization
  • Learn about an object's lifecycle
  • Introduce garbage collection
  • Declare classes
  • Customize constructors and initialization
  • Understand how garbage collection works
  • Create instances of classes and understand their scope
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