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Difference between Scala and Java

Difference between Scala and Java

Both Scala and Java are popular programming languages. But what are the key differences between these two languages? In this blog post, we’ll take a closer look at the key similarities and differences between Scala and Java. So, if you’re considering learning either Scala or Java, then this blog post is for you!

What is Scala?

  • Scala is a multi-paradigm programming language that incorporates both functional and object-oriented programming. It was designed with the intention of addressing some of the flaws that were present in Java. Scala is a statically typed language, which means that type checking is performed at compile time.
  • This can help to prevent errors from occurring during runtime. In addition, Scala supports type inference, which allows the compiler to automatically infer the types of variables. This can help to make code more concise and readable.
  • Scala also makes use of immutable data structures, which are resistant to side effects. This can help to make code more reliable and easier to reason about. Finally, Scala uses an actor-based concurrency model, which helps to improve the scalability of applications.

What is Java?

Java is a versatile and powerful programming language that enables developers to create a wide range of applications. Developed in the early 1990s, Java was designed to be portable and platform-independent, making it an ideal choice for developing cross-platform applications.

Java is also an object-oriented language, allowing developers to create modular code that can be reused in other applications. In addition, Java boasts a rich set of libraries and tools that can further extend its functionality. As a result, Java has become one of the most popular programming languages in the world, powering everything from desktop applications to large-scale enterprise systems.

Difference between Scala and Java

While both Scala and Java are programming languages that run on the Java Virtual Machine, there are several key differences between the two languages.

  • Perhaps the most notable difference is that Scala is a statically typed language while Java is a dynamically typed language.
  • This means that, in Scala, variables must be declared with a specific type (e.g., Int, String, etc.) while in Java variables can be declared without a type and will be inferred at runtime.
  • Another key difference is that Scala has support for both functional and object-oriented programming while Java is primarily an object-oriented language.
  • Finally, Scala code can be more concise than Java code due to a number of features such as type inference and first-class functions.

As a result of these differences, Scala and Java can be seen as complementing each other rather than competing against each other.


Scala and Java are both object-oriented programming languages that have many similarities. However, there are some key differences between the two languages that developers should be aware of when making a decision about which language to use for a project.

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