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Learn Kotlin Programming

You're reading from   Learn Kotlin Programming A comprehensive guide to OOP, functions, concurrency, and coroutines in Kotlin 1.3

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Product type Paperback
Published in May 2019
Publisher Packt
ISBN-13 9781789802351
Length 514 pages
Edition 2nd Edition
Languages
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Authors (2):
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Stefan Bocutiu Stefan Bocutiu
Author Profile Icon Stefan Bocutiu
Stefan Bocutiu
Stephen Samuel Stephen Samuel
Author Profile Icon Stephen Samuel
Stephen Samuel
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Toc

Table of Contents (21) Chapters Close

Preface 1. Section 1: Fundamental Concepts in Kotlin FREE CHAPTER
2. Getting Started with Kotlin 3. Kotlin Basics 4. Object-Oriented Programming in Kotlin 5. Section 2: Practical Concepts in Kotlin
6. Functions in Kotlin 7. Higher-Order Functions and Functional Programming 8. Properties 9. Null Safety, Reflection, and Annotations 10. Generics 11. Data Classes 12. Collections 13. Testing in Kotlin 14. Microservices with Kotlin 15. Section 3: Advanced Concepts in Kotlin
16. Concurrency 17. Coroutines 18. Application of Coroutines 19. Kotlin Serialization 20. Other Books You May Enjoy

Automatic creation of getters and setters

For a given var declaration in the constructor, the compiler will create the getters and setters automatically. Considering the title field, the compiler has actually created getTitle and setTitle methods. This means interacting with Java would now translate to calling these two methods:

public final java.lang.String getTitle();
  Code:
    0: aload_0
    1: getfield      #11                 // Field title:Ljava/lang/String;
    4: areturn
    
public final void setTitle(java.lang.String);
  Code:
    0: aload_1
    1: ldc           #17                 // String <set-?>
    3: invokestatic  #23                 // Method kotlin/jvm/internal/Intrinsics.checkParameterIsNotNull:(Ljava/lang/Object;Ljava/lang/String;)V
    6: aload_0
    7: aload_1
    8: putfield      #11                 // Field title:Ljava/lang/String;
    11: return...
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