The Strategy design pattern is used to provide an interchangeable set of strategies that can be applied to a given input and return an output of a specific type. We can understand the concept of a strategy as an action or an algorithm that can be applied to the input. A mechanism responsible for processing input should be able to switch between provided strategies at runtime. To illustrate the Strategy pattern, we are going to implement a text-formatting mechanism that allows us to apply a transformation to the input text and print it to the console. We are going to implement a class called Printer, which will provide a printText(text: String) function for printing the text to the console. Before printing out the text to the console, the Printer class will perform a transformation of the given text parameter according to the selected text formatting...
Kotlin Standard Library Cookbook
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Kotlin Standard Library Cookbook
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Overview of this book
For developers who prefer a more simplistic approach to coding, Kotlin has emerged as a valuable solution for effective software development. The Kotlin standard library provides vital tools that make day-to-day Kotlin programming easier. This library features core attributes of the language, such as algorithmic problems, design patterns, data processing, and working with files and data streams.
With a recipe-based approach, this book features coding solutions that you can readily execute. Through the book, you’ll encounter a variety of interesting topics related to data processing, I/O operations, and collections transformation. You’ll get started by exploring the most effective design patterns in Kotlin and understand how coroutines add new features to JavaScript. As you progress, you'll learn how to implement clean, reusable functions and scalable interfaces containing default implementations. Toward the concluding chapters, you’ll discover recipes on functional programming concepts, such as lambdas, monads, functors, and Kotlin scoping functions, which will help you tackle a range of real-life coding problems.
By the end of this book, you'll be equipped with the expertise you need to address a range of challenges that Kotlin developers face by implementing easy-to-follow solutions.
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Current Title:
Kotlin Standard Library Cookbook
Table of Contents (11 chapters)
Preface
Free Chapter
Ranges, Progressions, and Sequences
Expressive Functions and Adjustable Interfaces
Shaping Code with Kotlin Functional Programming Features
Powerful Data Processing
Tasteful Design Patterns Adopting Kotlin Concepts
Friendly I/O Operations
Making Asynchronous Programming Great Again
Best Practices for the Android, JUnit, and JVM UI Frameworks
Miscellaneous
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Customer Reviews