Best Practices and Patterns Built-In Language In short, interoperability with Java gives Scala huge potential to become a mainstream, enterprise programming language, as so much of the world's code is written in Java and so many developers are working in Java around the world.ģ. It is also possible to call Scala code from Java, and you can easily write part of your program in Scala and the rest in Java. Given, many Java developers are turning to Scala, this is the perfect way of leveraging their years of experience in real-world Java programming. This also means Scala developers can use Java libraries directly from Scala code. ![]() Scala runs on the Java Virtual Machine ( JVM) and can interoperate nicely with Java code. In my opinion, Scala's choice of being interoperable with Java is the best thing to happen to Scala. I think, Scala will always be more functional than Java, but that's the topic of another debate. Being multi-paradigm is one of the strongest selling points of Scala, which Java 8 has also attempted by introducing lambda expressions (see Java SE 8 New Features), but it is still a couple of steps behind. This combination of features makes it possible to write Scala programs that are quite concise and elegant. ![]() Just like in other functional programming languages, In Scala, functions are first-class citizens (which means you can pass them around as values) and Scala also supports anonymous functions and currying (partial application of multi-argument functions). Scala allows you to define types associated with both data attributes (with classes behaving like C++/ Java classes) and behavior attributes (with traits corresponding to Java interfaces). The Pragmatic Programmer book also advises you to learn a new programming language every year. imperative, logical, functional, and OOP, and Scala gives you a chance to explore both functional and OOP together. To advance your programming skills, it's good to learn at least one language from different paradigms, e.g. Scala is a bit different than Java, as it supports two programming paradigms: object-oriented programming ( OOP) and functional programming ( FP). Without any further ado, here is my list of 10 reasons why a programmer should learn Scala 2021: I am sure Scala developers will add many more reasons into this list, but being from a Java background and ardent supporter of Java, I think Scala definitely has something to offer, and the following reasons make a lot of sense for Java developers to learn Scala. ![]() It not only solves many of Java's issues, like less to no boilerplate, but it also provides several best practices and patterns right in the language, like immutability with the val keyword and case classes.ĭespite providing the fluency and flexibility of dynamic languages like Python, it's still a strongly statically typed language to prevent you from doing bad things, which just happen at runtime in dynamic languages. Scala has many strong points, the strongest being that it's a multi-paradigm language.Īlong with the superiority of functional programming idioms available to take advantage of multi-core CPU architectures, Scala has the right mix of popular object-oriented paradigm. It's been the JVM language of choice, leaving Groovy and Kotlin way behind, and is preferred as the language people want to write the most code in. Scala has emerged as one of the most powerful Java alternatives in recent times. ![]() Here, we'll talk about some practical reasons that should encourage Java developers to learn Scala. Well, there can be many reasons for learning Scala, like you are forced to learn it because it has been used in the new company you have just joined, or your solution architect decided to use it for the new project you are going to work on, but that's a different story. One of the questions my readers often ask me is, "Should Java developers learn Scala ? Does Scala have a better future than Java ? Why should Java developers learn Scala," and so on? Disclosure: This post includes affiliate links I may receive compensation if you purchase products or services from the different links provided in this article.
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