Why Scala should be your next language (after Javascript)

What is Scala?

• Modern
• General purpose
• High Level
• Object-functional
• Compiles to Java bytecode
• Authored by Martin Odersky

Who uses Scala?

Why is Scala awesome?

Standard library

Static Typing

• Easier Debugging
• Safer Refactoring
• Better Performance

Everything is an expression

Everything is an object + infix notation*

= Scalable Language

* plus a bunch of other stuff

When to use Javascript

• Prototyping
• Thin API layer
• Web servers
• Microservices

Node is a one-trick pony, it just happens to be a really useful trick.

When to use Scala

• Concurrent Computing
• CPU intensive tasks
• Tasks where number precision is critical
• Monolithic Apps
• Scientific computing

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