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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?

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

What type of language interoperability does Scala provide with Java?

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

What kind of programming paradigms does Scala support?

Object-oriented programming and functional programming (D) Signup and view all the answers

How does Scala source code run in a browser?

By compiling to JavaScript (B) Signup and view all the answers

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

Using the off-side rule (indenting) (A) Signup and view all the answers

How does Scala provide language interoperability with Java?

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

What is one key similarity between Scala and Java?

Both are object-oriented (D) Signup and view all the answers

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