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Scala incorporates both OOPS and Functional programming concepts. java requires a lot of declarations and definitions and the syntax of Java tends to be lengthy. Scala, on the other hand, requires less line of code to execute the same program that is written in Java as well. Scala removes all the extra codes by creating a rich set of libraries.
The current big data trend leads to Spark as it is industry favorite now. Spark is written in Scala. Since Spark also have machine learning which adds to the benefits of learning Scala over Java.
I hope my answer will suffice all your requirements.
IMHO Scala removes all the extra boilerplate from Java, at the same time with the PLAY framework, it eats from the Nodejs plate too. So yes, definitely it is one of the languages of the future. The functional programming construct takes some getting used to, and that is what is probably limiting developers from coming into it. Which maybe a good thing.
There is admittedly some truth to the statement that “Scala is hard”, but the learning curve is well worth the investment. Some of the more complex features of the language (Tuples, Functions, Macros, to name a few) ultimately make it easier for the developer to write better code and increase performance by programming in Scala. Frankly, we are programmers, and if we’re not smart enough to learn a language that has some complexity, then we’re in the wrong business.
Scala is a type-safe JVM language that incorporates both object oriented and functional programming into an extremely concise, logical, and extraordinarily powerful language. Some may be surprised to know that Scala is not quite as new as they thought, having first been introduced in 2003. However, it is particularly within the past few years that Scala has begun to develop a significant following. Which begs the question of “Why Scala?”.
This article examines the advantages of Scala, especially versus Java (since Scala is written to run in the JVM). Scala is not the only attempt to create a “better Java”. Alternatives such as Kotlin and Ceylon have also gone down that path, but they made the fundamental decision to remain very close in syntax to the Java language itself, so as to minimize the learning curve. This may seem like a great idea, but it is ultimately somewhat self-defeating in that it forces you to stay within a number of those very same Java paradigms that were the reason for wanting to create a “better Java” in the first place.
In contrast, Scala was created specifically with the goal of being a better language, shedding those aspects of Java which it considered restrictive, overly tedious, or frustrating for the developer. As a result, there are indeed code distinctions and paradigm shifts that can make early learning of Scala programming a bit more difficult, but the result is a much cleaner and well organized language that is ultimately easier to use and increases productivity.
In my perspective JAVA is a giant language but so many new technologies are emerging now a days. And most importantly world is going for mobile computing. Web technologies are losing their old powers
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