Scala Programming Quiz

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Questions and Answers

What is the main purpose of Scala's design decisions?

  • To eliminate object-oriented programming
  • To replace Java
  • To mimic Java's syntax
  • To address criticisms of Java (correct)

In addition to running on a Java virtual machine, Scala can also be compiled to which other format?

  • JavaScript (correct)
  • Ruby on Rails
  • C++
  • Python bytecode

What is the term used to describe Scala's syntax, which is similar to the language C?

  • Square-bracket
  • Parentheses
  • Curly-brace (correct)
  • Angle-bracket

What is the most productive change introduced in Scala 3 according to Martin Odersky?

<p>Using the off-side rule (indenting) to structure blocks (C)</p> Signup and view all the answers

What type of language interoperability does Scala provide with Java?

<p>Libraries written in either language may be referenced directly in Scala or Java code (B)</p> Signup and view all the answers

What kind of programming paradigms does Scala support?

<p>Object-oriented programming and functional programming (D)</p> Signup and view all the answers

How does Scala source code run in a browser?

<p>By compiling to JavaScript (B)</p> Signup and view all the answers

What is the recommended way to structure blocks in Scala 3?

<p>Using the off-side rule (indenting) (A)</p> Signup and view all the answers

How does Scala provide language interoperability with Java?

<p>Libraries written in either language may be referenced directly in Scala or Java code (A)</p> Signup and view all the answers

What is one key similarity between Scala and Java?

<p>Both are object-oriented (D)</p> Signup and view all the answers

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