Test Your Knowledge of Scala

Test Your Knowledge of Scala

Think you know Scala? Take this quiz to test your knowledge of this popular computer language!

published on January 10
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1. What is Scala?

A statically typed programming language
A markup language for web development
A database management system
A networking protocol
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2. Which of the following is a feature of Scala?

2. Which of the following is a feature of Scala?
Support for both object-oriented and functional programming
Compatibility with C#
Limited support for concurrency
Built-in machine learning libraries
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3. What is the main purpose of Scala?

3. What is the main purpose of Scala?
To provide a concise and expressive syntax
To create mobile applications
To develop web servers
To manipulate databases
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4. Which programming paradigm does Scala primarily follow?

4. Which programming paradigm does Scala primarily follow?
Functional programming
Procedural programming
Object-oriented programming
Logic programming
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5. What is the filename extension for Scala source files?

.scala
.java
.py
.cpp
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6. Which IDE (Integrated Development Environment) is commonly used for Scala development?

IntelliJ IDEA
Eclipse
Visual Studio Code
NetBeans
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7. What is the standard build tool for Scala projects?

7. What is the standard build tool for Scala projects?
sbt (Scala Build Tool)
Gradle
Maven
Ant
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8. Which of the following is a popular Scala framework for web development?

8. Which of the following is a popular Scala framework for web development?
Play Framework
Ruby on Rails
Django
ASP.NET
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9. What is the correct way to define a variable in Scala?

9. What is the correct way to define a variable in Scala?
val myVariable = 42
var myVariable = 42
let myVariable = 42
const myVariable = 42
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10. In Scala, what does the 'flatMap' method do?

10. In Scala, what does the 'flatMap' method do?
Applies a function to each element in a collection and then flattens the result
Sorts a collection in descending order
Finds the maximum element in a collection
Reverses the elements in a collection
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11. Which of the following is NOT a feature of Scala's type system?

11. Which of the following is NOT a feature of Scala's type system?
Globally mutable variables
Type inference
Trait composition
Case classes