Kotlin Cookbook

Name: Kotlin Cookbook | A Problem-Focused Approach
Brand: O'Reilly
Price: 50.49 EUR
Availability: OnlineOnly

A Problem-Focused Approach

Ken Kousen(Autor*in)

O'Reilly (Verlag)

Erschienen am 14. November 2019

254 Seiten

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978-1-4920-4663-9 (ISBN)

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Beschreibung

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Inhalt

Intro
Copyright
Table of Contents
Foreword
Preface
Who Should Read This Book
How This Book Is Organized
Conventions Used in This Book
Using Code Examples
O'Reilly Online Learning
How to Contact Us
Acknowledgments
Chapter 1. Installing and Running Kotlin
1.1 Running Kotlin Without a Local Compiler
Problem
Solution
Discussion
1.2 Installing Kotlin Locally
Problem
Solution
Discussion
See Also
1.3 Compiling and Running Kotlin from the Command Line
Problem
Solution
Discussion
See Also
1.4 Using the Kotlin REPL
Problem
Solution
Discussion
1.5 Executing a Kotlin Script
Problem
Solution
Discussion
1.6 Building a Standalone Application Using GraalVM
Problem
Solution
Discussion
1.7 Adding the Kotlin Plug-in for Gradle (Groovy Syntax)
Problem
Solution
Discussion
See Also
1.8 Adding the Kotlin Plug-in for Gradle (Kotlin Syntax)
Problem
Solution
Discussion
See Also
1.9 Using Gradle to Build Kotlin Projects
Problem
Solution
Discussion
1.10 Using Maven with Kotlin
Problem
Solution
Discussion
Chapter 2. Basic Kotlin
2.1 Using Nullable Types in Kotlin
Problem
Solution
Discussion
2.2 Adding Nullability Indicators to Java
Problem
Solution
Discussion
2.3 Adding Overloaded Methods for Java
Problem
Solution
Discussion
2.4 Converting Between Types Explicitly
Problem
Solution
Discussion
2.5 Printing to Different Bases
Problem
Solution
Discussion
2.6 Raising a Number to a Power
Problem
Solution
Discussion
2.7 Using Bitwise Shift Operators
Problem
Solution
Discussion
2.8 Using Bitwise Boolean Operators
Problem
Solution
Discussion
2.9 Creating Pair Instances with to
Problem
Solution
Discussion
Chapter 3. Object-Oriented Programming in Kotlin
3.1 Understanding the Difference Between const and val
Problem
Solution
Discussion
See also
3.2 Creating Custom Getters and Setters
Problem
Solution
Discussion
See Also
3.3 Defining Data Classes
Problem
Solution
Discussion
3.4 The Backing Property Technique
Problem
Solution
Discussion
See Also
3.5 Overloading Operators
Problem
Solution
Discussion
3.6 Using lateinit for Delayed Initialization
Problem
Solution
Discussion
See Also
3.7 Using Safe Casting, Reference Equality, and Elvis to Override equals
Problem
Solution
Discussion
See Also
3.8 Creating a Singleton
Problem
Solution
Discussion
3.9 Much Ado About Nothing
Problem
Solution
Discussion
Chapter 4. Functional Programming
4.1 Using fold in Algorithms
Problem
Solution
Discussion
See Also
4.2 Using the reduce Function for Reductions
Problem
Solution
Discussion
See Also
4.3 Applying Tail Recursion
Problem
Solution
Discussion
Chapter 5. Collections
5.1 Working with Arrays
Problem
Solution
Discussion
5.2 Creating Collections
Problem
Solution
Discussion
5.3 Creating Read-Only Views from Existing Collections
Problem
Solution
Discussion
5.4 Building a Map from a Collection
Problem
Solution
Discussion
5.5 Returning a Default When a Collection Is Empty
Problem
Solution
Discussion
5.6 Restricting a Value to a Given Range
Problem
Solution
Discussion
5.7 Processing a Window on a Collection
Problem
Solution
Discussion
5.8 Destructuring Lists
Problem
Solution
Discussion
5.9 Sorting by Multiple Properties
Problem
Solution
Discussion
5.10 Defining Your Own Iterator
Problem
Solution
Discussion
5.11 Filtering a Collection by Type
Problem
Solution
Discussion
5.12 Making a Range into a Progression
Problem
Solution
Discussion
Chapter 6. Sequences
6.1 Using Lazy Sequences
Problem
Solution
Discussion
6.2 Generating Sequences
Problem
Solution
Discussion
See Also
6.3 Managing Infinite Sequences
Problem
Solution
Discussion
6.4 Yielding from a Sequence
Problem
Solution
Discussion
See Also
Chapter 7. Scope Functions
7.1 Initializing Objects After Construction with apply
Problem
Solution
Discussion
7.2 Using also for Side Effects
Problem
Solution
Discussion
See Also
7.3 Using the let Function and Elvis
Problem
Solution
Discussion
See Also
7.4 Using let with a Temporary Variable
Problem
Solution
Discussion
See Also
Chapter 8. Kotlin Delegates
8.1 Implementing Composition by Delegation
Problem
Solution
Discussion
See Also
8.2 Using the lazy Delegate
Problem
Solution
Discussion
8.3 Ensuring That a Value Is Not Null
Problem
Solution
Discussion
8.4 Using the observable and vetoable Delegates
Problem
Solution
Discussion
8.5 Supplying Maps as Delegates
Problem
Solution
Discussion
8.6 Creating Your Own Delegates
Problem
Solution
Discussion
Chapter 9. Testing
9.1 Setting the Test Class Life Cycle
Problem
Solution
Discussion
9.2 Using Data Classes for Tests
Problem
Solution
Discussion
9.3 Using Helper Functions with Default Arguments
Problem
Solution
Discussion
9.4 Repeating JUnit 5 Tests with Different Data
Problem
Solution
Discussion
See Also
9.5 Using Data Classes for Parameterized Tests
Problem
Solution
Discussion
See Also
Chapter 10. Input/Output
10.1 Managing Resources with use
Problem
Solution
Discussion
See Also
10.2 Writing to a File
Problem
Solution
Discussion
See Also
Chapter 11. Miscellaneous
11.1 Working with the Kotlin Version
Problem
Solution
Discussion
11.2 Executing a Lambda Repeatedly
Problem
Solution
Discussion
11.3 Forcing when to Be Exhaustive
Problem
Solution
Discussion
11.4 Using the replace Function with Regular Expressions
Problem
Solution
Discussion
See Also
11.5 Converting to Binary String and Back
Problem
Solution
Discussion
11.6 Making a Class Executable
Problem
Solution
Discussion
See also
11.7 Measuring Elapsed Time
Problem
Solution
Discussion
11.8 Starting Threads
Problem
Solution
Discussion
See Also
11.9 Forcing Completion with TODO
Problem
Solution
Discussion
11.10 Understanding the Random Behavior of Random
Problem
Solution
Discussion
11.11 Using Special Characters in Function Names
Problem
Solution
Discussion
11.12 Telling Java About Exceptions
Problem
Solution
Discussion
Chapter 12. The Spring Framework
12.1 Opening Spring-Managed Bean Classes for Extension
Problem
Solution
Discussion
See Also
12.2 Persisting Kotlin Data Classes
Problem
Solution
Discussion
See Also
12.3 Injecting Dependencies
Problem
Solution
Discussion
Chapter 13. Coroutines and Structured Concurrency
13.1 Choosing Coroutine Builders
Problem
Solution
Discussion
13.2 Replacing async/await with withContext
Problem
Solution
Discussion
13.3 Working with Dispatchers
Problem
Solution
Discussion
See Also
13.4 Running Coroutines on a Java Thread Pool
Problem
Solution
Discussion
See Also
13.5 Cancelling Coroutines
Problem
Solution
Discussion
13.6 Debugging Coroutines
Problem
Solution
Discussion
Index
About the Author

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