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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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Vincent van der Leun Vincent van der Leun
Author Profile Icon Vincent van der Leun
Vincent van der Leun
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Toc

Table of Contents (15) Chapters Close

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. Is Clojure a pure functional programming language?

a) Yes, it's a pure functional programming.

b) No, it's a functional programming language but not a pure one because it allows state changes.

c) No, but Clojure is a pure OOP language.

d) No, Clojure is not a functional programming language.

  1. Will this code run in the Clojure REPL?
        (10)

a) Yes, this is valid code. It will return 10.

b) No, the last entry in the list must be a function.

c) No, this will not run because the first element in the list is not a function.

d) None of the preceding options.

  1. What is the default type that Clojure uses for whole numbers if it can fit in the data type?

a) Primitive long value.

b) The java.lang.Long wrapper class instance.

c) Primitive integer value.

d) The java.lang.Integer wrapper class instance.

  1. What is the printed output of the following program?
        (println + 25 25)

a) It prints 50.

b) It prints a reference to the + function, followed by "25 25".

c) An exception is thrown.

d) None of the preceding options...

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