Why learn Scala? You donâ t need to be a data scientist or distributed computing expert to appreciate this object-oriented functional programming language. This practical book provides a comprehensive yet approachable introduction to the language, complete with syntax diagrams, examples, and exercises. Youâ ll start with Scala's core types and syntax before diving into higher-order functions and immutable data structures.
Author Jason Swartz demonstrates why Scalaâ s concise and expressive syntax make it an ideal language for Ruby or Python developers who want to improve their craft, while its type safety and performance ensures that itâ s stable and fast enough for any application.
- Learn about the core data types, literals, values, and variables
- Discover how to think and write in expressions, the foundation for Scala's syntax
- Write higher-order functions that accept or return other functions
- Become familiar with immutable data structures and easily transform them with type-safe and declarative operations
- Create custom infix operators to simplify existing operations or even to start your own domain-specific language
- Build classes that compose one or more traits for full reusability, or create new functionality by mixing them in at instantiation
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