Why Scala is better than Java for spark?
Features/Advantages of Scala: It’s less verbose than Java. It can work with JVM and hence is portable. It can support Java APIs comfortably. It’s fast and robust in Spark context as its Spark native.
Is Scala worth it 2020?
There is admittedly some truth to the statement that “Scala is hard”, but the learning curve is well worth the investment. Scala is a type-safe JVM language that incorporates both object oriented and functional programming into an extremely concise, logical, and extraordinarily powerful language.
How much does a Scala developer earn in India?
As a Scala Developer, you can earn an average of ₹7,28,099 per year and branch into senior positions that command higher salaries. Due to Scala’s highly scalable and multi-paradigm nature, it is ranked as the 14th most loved programming language.
When should I use a future in Scala?
You typically use it when you need to call an algorithm that runs an indeterminate amount of time — such as calling a web service or executing a long-running algorithm — so you therefore want to run it off of the main thread. To demonstrate how this works, let’s start with an example of a Future in the Scala REPL.
Where can I find Scala developers in the USA?
As per search results on LinkedIn, ‘Scala developers’ are most sought-after in India, the USA, and the UK. A simple search on LinkedIn will reveal over 6000 jobs listed for Scala developers, ranging from Software Engineers and application developers to Machine Learning Engineers, Big Data Engineers, and Technical Architects.
How to write parallel/concurrent applications in Scala?
When you want to write parallel and concurrent applications in Scala, you could still use the native Java Thread — but the Scala Future makes parallel/concurrent programming much simpler, and it’s preferred. Here’s a description of Future from its Scaladoc: