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Scala is a hybrid programming language, providing support for the Object Oriented, Functional and Generic programming paradigms. After a brief review/overview of the language basics and philosophy, this course explores Scala’s support for Functional and Generic programming in more detail.

The Functional Programming in Scala training course will demonstrate how techniques from functional programming, the terminology of which often appear somewhat abstract and remote, can in fact be used to produce highly concise and expressive code in Scala, and how we can reason about this code in a way that is not possible in imperative languages such as Java or C++.

The course will also discuss the importance of types in Scala programs, how these again can be used to reason about a program so that we may have more confidence about its correctness. We will also discover how, since Scala’s type system is Turing complete, computation may be performed on types as well as on values – leading to the potential for highly generic programming.

Examples using libraries from the Typelevel Scala libraries such as Shapeless and Cats will be used to illustrate the concepts.

Practical exercises are also used to emphasise the concepts covered in the course.

Functional Programming in Scala

Course Code

GTSC05

Duration

3 Days

Course Fee

POA

Accreditation

N/A

Target Audience

  • Web Developers, preferably with Scala experience.

Attendee Requirements

This is not an introductory course, some experience with Scala will be highly beneficial. Alternatively experience with the latest versions of Java or C++ may also be helpful.

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Course Description

Scala is a hybrid programming language, providing support for the Object Oriented, Functional and Generic programming paradigms. After a brief review/overview of the language basics and philosophy, this course explores Scala’s support for Functional and Generic programming in more detail.

The Functional Programming in Scala training course will demonstrate how techniques from functional programming, the terminology of which often appear somewhat abstract and remote, can in fact be used to produce highly concise and expressive code in Scala, and how we can reason about this code in a way that is not possible in imperative languages such as Java or C++.

The course will also discuss the importance of types in Scala programs, how these again can be used to reason about a program so that we may have more confidence about its correctness. We will also discover how, since Scala’s type system is Turing complete, computation may be performed on types as well as on values – leading to the potential for highly generic programming.

Examples using libraries from the Typelevel Scala libraries such as Shapeless and Cats will be used to illustrate the concepts.

Practical exercises are also used to emphasise the concepts covered in the course.

Course Outline

Implicits and Typeclasses:

Achieving ad-hoc polymorphism

 

Algebraic Data Types:

Data modelling; Structural recursion (Processing ADTs); Parameterised ADTs

 

Functional Programming Patterns:

What they are and why they are useful (Functor, Monoid, Applicative, Monad); Examples of usage (Exceptions, I/O); Scala libraries for functional programming (cats)

 

More about types:

The importance of types in Scala; Abstract types

 

Type level programming:

Types vs values; Programming in the compiler (Scala’s approach); Introducing the Shapeless library (The HList (Heterogeneous List) type); Examples of use from (e.g.) database libraries (Slick)

Ways to Attend
  • Attend a public course, please check our Schedule
  • Private onsite Team training also available, please Contact Us to discuss. We can customise this course to suit your business requirements.

Private Team Training is available for this course

We deliver this course either on or off-site in various regions around the world, and can customise your delivery to suit your exact business needs. Talk to us about how we can fine-tune a course to suit your team's current skillset and ultimate learning objectives.

Private Team Training | Contact us

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