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Introduction to JVM Languages

You're reading from   Introduction to JVM Languages Get familiar with the world of Java, Scala, Clojure, Kotlin, and Groovy

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Product type Paperback
Published in Jun 2017
Publisher Packt
ISBN-13 9781787127944
Length 450 pages
Edition 1st Edition
Languages
Tools
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Author (1):
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 van der Leun van der Leun
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van der Leun
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Toc

Table of Contents (21) Chapters Close

Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Java Virtual Machine FREE CHAPTER 2. Developing on the Java Virtual Machine 3. Java 4. Java Programming 5. Scala 6. Scala Programming 7. Clojure 8. Clojure Programming 9. Kotlin 10. Kotlin Programming 11. Groovy 12. Groovy Programming 13. Other JVM languages 14. Quiz Answers

Quiz


  1. Can Scala be considered a pure OOP and functional programming language?

a) Yes, Scala is both a pure OOP and functional programming language

b) No, Scala is a pure OOP language, but it cannot be considered a pure functional programming language

c) No, Scala is a pure functional programming language, but it cannot be considered a pure OOP language

d) No, Scala is neither pure OOP, nor a pure functional programming language

 

  1. Will this code compile? If not, why?
        class A { def method1 = {} }
        trait B { def method2 }
        trait C { def method3 }
        abstract class D extends A with B with C { }

a) Yes, it will compile and run correctly

b) No, traits need to be implemented using the implements keyword

c) No, class D does not implement the methods from class A and/or trait B and trait C

d) Answers b and c are correct

  1. What's wrong with the following class definition?
        public class A

a) This class will compile fine; nothing is wrong

b) It will not compile because no body (= { ...

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