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  • Book Overview & Buying Scala Design Patterns
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Scala Design Patterns

Scala Design Patterns

By : Ivan Nikolov
4.2 (5)
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Scala Design Patterns

Scala Design Patterns

4.2 (5)
By: Ivan Nikolov

Overview of this book

Scala has become increasingly popular in many different IT sectors. The language is exceptionally feature-rich which helps developers write less code and get faster results. Design patterns make developer’s lives easier by helping them write great software that is easy to maintain, runs efficiently and is valuable to the company or people concerned. You will learn about the various features of Scala and be able to apply well-known, industry-proven design patterns in your work. The book starts off by focusing on some of the most interesting features of Scala while using practical real-world examples. We will also cover the popular "Gang of Four" design patterns and show you how to incorporate functional patterns effectively. By the end of this book, you will have enough knowledge and understanding to quickly assess problems and come up with elegant solutions.
Table of Contents (14 chapters)
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13
Index

Aspect-oriented programming

Aspect-oriented programming, or AOP, addresses a common functionality, which spans across an application, but cannot be otherwise abstracted in a single module using traditional object-oriented techniques. This repeated functionality is often referred to as cross-cutting concerns. A common example is logging— normally, loggers are created within classes and then their methods are called inside the methods of the classes. This helps with the debugging and tracing of events in an application but it is not really related to the actual functionality in any way.

AOP recommends that cross-cutting concerns are abstracted and encapsulated in their own modules. In the next few subsections, we will look into how AOP improves code and also makes cross-cutting concerns easily extendible.

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