Table of Contents

• Copyright
• Section I: Programming Basics
  • Introduction
  • Why Kotlin?
  • Hello, World!
  • var & val
  • Data Types
  • Functions
  • if Expressions
  • String Templates
  • Number Types
  • Booleans
  • Repetition with while
  • Looping & Ranges
  • The in Keyword
  • Expressions & Statements
  • Summary 1
• Section II: Introduction to Objects
  • Objects Everywhere
  • Creating Classes
  • Properties
  • Constructors
  • Constraining Visibility
  • Packages
  • Testing
  • Exceptions
  • Lists
  • Variable Argument Lists
  • Sets
  • Maps
  • Property Accessors
  • Summary 2
• Section III: Usability
  • Extension Functions
  • Named & Default Arguments
  • Overloading
  • when Expressions
  • Enumerations
  • Data Classes
  • Destructuring Declarations
  • Nullable Types
  • Safe Calls & the Elvis Operator
  • Non-Null Assertions
  • Extensions for Nullable Types
  • Introduction to Generics
  • Extension Properties
  • break & continue
• Section IV: Functional Programming
  • Lambdas
  • The Importance of Lambdas
  • Operations on Collections
  • Member References
  • Higher-Order Functions
  • Manipulating Lists
  • Building Maps
  • Sequences
  • Local Functions
  • Folding Lists
  • Recursion
• Section V: Object-Oriented Programming
  • Interfaces
  • Complex Constructors
  • Secondary Constructors
  • Inheritance
  • Base Class Initialization
  • Abstract Classes
  • Upcasting
  • Polymorphism
  • Composition
  • Inheritance & Extensions
  • Class Delegation
  • Downcasting
  • Sealed Classes
  • Type Checking
  • Nested Classes
  • Objects
  • Inner Classes
  • Companion Objects
• Section VI: Preventing Failure
  • Exception Handling
  • Check Instructions
  • The Nothing Type
  • Resource Cleanup
  • Logging
  • Unit Testing
• Section VII: Power Tools
  • Extension Lambdas
  • Scope Functions
  • Creating Generics
  • Operator Overloading
  • Using Operators
  • Property Delegation
  • Property Delegation Tools
  • Lazy Initialization
  • Late Initialization
• Appendices
  • Appendix A: AtomicTest
  • Appendix B: Java Interoperability