Build applications quicker and with less effort using Functional Programming and Kotlin.
You will need a recent IDE, we recommend IntelliJ Community Edition, and Kotlin 1.3.x or later..
What You Need: The code in this book is designed to allow you to Build Your application From scratch on Windows, Mac and Linux.
Leverage Functional Programming to Build and deliver robust applications in less time and with fewer defects.
See how Kotlin\'s easy-to-learn syntax and functional-friendly approach make it a great option for a pragmatic language that integrates well with existing Java code and libraries.
Apply CQRS and EventSourcing patterns to translate stakeholder requirements into Functional design and then into code.
Get rid of mutable state in Your Software to eliminate the main source of bugs.
Work through a series of short exercises to find and compose pure functions, and create data structures that work like algebra.
Boost Your productivity and harness the power of Functional Programming by creating real-world applications rather than focusing on theoretical concepts.
Use transformations and compositions to help you write less code with better results.
You need more than just lambdas and mapping over collections to get a declarative style and disentangle the state From the computations.
Switching to the Functional paradigm isn\'t easy when you\'re used to object-oriented programming.
If you\'re curious about Functional Programming or you are struggling with how to put it into practice, this guide will help you increase Your productivity composing small functions together instead of creating fat objects.
Learn how to implement CQRS and EventSourcing in a Functional way to map the domain into code better and to keep the cost of change low for the whole application life cycle.
Learn by building a complete application, From gathering requirements to delivering a microservice architecture following Functional Programming principles.
Build applications quicker and with less effort using Functional Programming and Kotlin
