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Hands-On Object-Oriented Programming with Kotlin

By : Khan, Igor Kucherenko

2.5 (2)

Hands-On Object-Oriented Programming with Kotlin

2.5 (2)

By: Khan, Igor Kucherenko

Overview of this book

Kotlin is an object-oriented programming language. The book is based on the latest version of Kotlin. The book provides you with a thorough understanding of programming concepts, object-oriented programming techniques, and design patterns. It includes numerous examples, explanation of concepts and keynotes. Where possible, examples and programming exercises are included. The main purpose of the book is to provide a comprehensive coverage of Kotlin features such as classes, data classes, and inheritance. It also provides a good understanding of design pattern and how Kotlin syntax works with object-oriented techniques. You will also gain familiarity with syntax in this book by writing labeled for loop and when as an expression. An introduction to the advanced concepts such as sealed classes and package level functions and coroutines is provided and we will also learn how these concepts can make the software development easy. Supported libraries for serialization, regular expression and testing are also covered in this book. By the end of the book, you would have learnt building robust and maintainable software with object oriented design patterns in Kotlin.

Preface

Preface

Who this book is for

What this book covers

To get the most out of this book

Get in touch

Free Chapter

Getting Started with Kotlin

Getting Started with Kotlin

Technical requirements

Introduction to Kotlin

Data types in Kotlin

Null safety, type casting, Pair, and Triple

Flow controls

Introduction to loops

What is a function?

Summary

Questions

Further reading

Introduction to Object-Oriented Programming

Introduction to Object-Oriented Programming

Technical requirements

Object-oriented programming?

Benefits of object-oriented programming

Classes in Kotlin

Properties – first-class citizens

Constructing a class with a constructor

What are data classes?

Classes and functions

Summary

Questions

Further reading

The Four Pillars of Object-Oriented Programming

The Four Pillars of Object-Oriented Programming

Technical requirements

Encapsulation

What is inheritance?

Abstraction

Interfaces

Overriding

Types of inheritance

Polymorphism

Summary

Questions

Further reading

Classes - Advanced Concepts

Classes - Advanced Concepts

Technical requirements

Sealed classes and enumeration

Objects and companion objects

Aggregation, composition, and nested classes

Class properties

Delegate properties

Built-in delegates

Summary

Questions

Further reading

Data Collection, Iterators, and Filters

Data Collection, Iterators, and Filters

Technical requirements

Range

Arrays

Lists in Kotlin

Filters and collection functions

Summary

Questions

Further reading

Object-Oriented Patterns in Kotlin

Object-Oriented Patterns in Kotlin

Technical requirements

What design patterns are and how they help

Types of design patterns

Creational patterns

Structural patterns

Behavioral patterns

Summary

Coroutines - a Lightweight Thread?

Coroutines - a Lightweight Thread?

Technical requirements

What are coroutines?

Coroutines and threads

Coroutine examples

Summary

Interoperability

Interoperability

Technical requirements

Calling Java code in Kotlin

Calling Kotlin code in Java

Summary

Questions

Further reading

Regular Expression and Serialization in Kotlin

Regular Expression and Serialization in Kotlin

Technical requirements

Introducing regular expression

Kotlin and regular expression

Introducing serialization

Serialization and Kotlin support

Summary

Exception Handling

Exception Handling

Technical requirements

What is exception handling?

Checked and unchecked exceptions

Using the try block as an expression

Writing your own exception

Summary

Questions

Further reading

Testing in Object-Oriented Programming with Kotlin

Testing in Object-Oriented Programming with Kotlin

Technical requirements

Why testing?

Types of testing

The Kotlin test libraries

Testing examples

Summary

Questions

Further reading

Assessments

Assessments

Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

Chapter 8

Chapter 10

Chapter 11

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