Scala Courses

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Frequently asked questions about Scala

What is Scala?

Scala (which stands for scalable and language) is a general-purpose, type-safe, object-oriented and functional programming language designed by Martin Odersky that runs on top of the JVM runtime.

It was created to address many of Java shortcomings, particularly syntax-related (verbosity, for example).

What is Scala used for?

Scala allows developers to make use of standard JVM features and Java libraries so it’s mostly used as a drop-in replacement for the Java programming language, which is considered more verbose and less productive.

Other usages include:

Data Science using the popular Apache Spark framework
Web application development using the Play framework
Highly concurrent data streaming scenario like messaging apps using Akka
In AWS Lambda expressions
Any adhoc scripting program

How long does it take to learn Scala?

If you already familiar with Java and at least one ML-family language then it could take you about a week of time actually spent writing Scala code to learn it.

The creator of the language, Martin Odesrky, has a hand-ons, 101 Scala course on Coursera. It takes about 4 weeks to complete provided that you have prior programming experience.

What are the prerequisites for learning Scala?

If you are considering diving into Scala, having a background in Java will obviously help and you’ll have no trouble finding learning resources online. However, if you have no Java experience, you will need to learn the basics. Familiarity with functional programming languages will help as well.