scala
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In contrast to Java, all values in Scala are objects (including numerical values and functions). Since Scala is class-based, all values are instances of a class. The diagram below illustrates the class hierarchy. Scala Class Hierarchy The superclass of all classes scala.Any has two direct subclasses scala.AnyVal and scala.AnyRef representing two different class worlds: value classes and reference classes .
A Tour of Scala: Unified Types
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scala test
First Steps to Scala
Scalazine First Steps to Scala by Bill Venners, Martin Odersky, and Lex Spoon May 9, 2007 Summary In this article, you'll follow twelve steps that are designed to help you understand and gain some basic skills in the Scala programming language. Scala is a statically typed, object-oriented programming language that blends imperative and functional programming styles. Scala is designed to integrate easily with applications that run on modern virtual machines, primarily the Java virtual machine (JVM). The main Scala compiler, scalac , generates Java class files that can be run on the JVM.
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