Scala is a general-purpose programming language, which expresses the programming patterns in a concise, elegant, and type-safe way. It is basically an acronym for “Scalable Language”. Scala is an easy-to-learn language and supports both Object Oriented Programming as well as Functional Programming. It is getting popular among programmers, and is being increasingly preferred over Java and other programming languages. Also, it seems much in sync with the present and future Big Data frameworks, like Scalding, Spark, Akka, etc.
Why is Spark Programmed in Scala?
- Scala is a pure object-oriented language, in which conceptually every value is an object and every operation is a method-call. The language supports advanced component architectures through classes and traits.
- Scala is also a functional language. It supports functions, immutable data structures and gives preference to immutability over mutation.
- Scala can be seamlessly integrated with Java
- It is already being widely used for Big Data platforms and development of frameworks like Akka, Scalding, Play, etc.
- Being written in Scala, Spark can be embedded in any JVM-based operational system.
To learn Scala, it’s not necessary to have a prior knowledge of Java, or any other programming language. If you want to learn it, all you need is to have the basic understanding of core programming concepts.
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