Make a Postage Calculator with Scala

Offered By
In this Guided Project, you will:

Intermediate Scala concepts

Apply intermediate Scala concepts to application development

1.5 hours
Intermediate
No download needed
Split-screen video
English
Desktop only

In this course, you will complete a postage estimator application and learn these intermediate level Scala topics: abstract classes and traits, enumeration, singleton object, companion object and factory methods, case object. At the end of this class, you will have gained a deeper understanding of Scala and apply it to application development. Prerequisite: Basic level knowledge of Scala, such as basic object-oriented programming Helpful but not required: Experience with any modern programming languages such as Java, JavaScript, C++, Swift or Kotlin.

Skills you will develop

  • Software Development

  • scala

  • Programming Language

  • Cross-Platform

Learn step-by-step

In a video that plays in a split-screen with your work area, your instructor will walk you through these steps:

  1. Introduction and final product preview

  2. Build an abstract class and the letter class

  3. Extend the abstract class to include postcard and parcel

  4. Learn about singleton object, companion object and factory methods

  5. Use an enumeration for the destination

  6. Use case objects for the destination enumeration

  7. Make a companion and factory method for the new enumeration

How Guided Projects work

Your workspace is a cloud desktop right in your browser, no download required

In a split-screen video, your instructor guides you step-by-step

Frequently Asked Questions

By purchasing a Guided Project, you'll get everything you need to complete the Guided Project including access to a cloud desktop workspace through your web browser that contains the files and software you need to get started, plus step-by-step video instruction from a subject matter expert.

Because your workspace contains a cloud desktop that is sized for a laptop or desktop computer, Guided Projects are not available on your mobile device.

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You can download and keep any of your created files from the Guided Project. To do so, you can use the “File Browser” feature while you are accessing your cloud desktop.

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At the top of the page, you can press on the experience level for this Guided Project to view any knowledge prerequisites. For every level of Guided Project, your instructor will walk you through step-by-step.

Yes, everything you need to complete your Guided Project will be available in a cloud desktop that is available in your browser.

You'll learn by doing through completing tasks in a split-screen environment directly in your browser. On the left side of the screen, you'll complete the task in your workspace. On the right side of the screen, you'll watch an instructor walk you through the project, step-by-step.