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Learning Scala Programming

You're reading from   Learning Scala Programming Object-oriented programming meets functional reactive to create Scalable and Concurrent programs

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Product type Paperback
Published in Jan 2018
Publisher Packt
ISBN-13 9781788392822
Length 426 pages
Edition 1st Edition
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Author (1):
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Vikash Sharma Vikash Sharma
Author Profile Icon Vikash Sharma
Vikash Sharma
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Table of Contents (16) Chapters Close

1. Getting Started with Scala Programming FREE CHAPTER 2. Building Blocks of Scala 3. Shaping our Scala Program 4. Giving Meaning to Programs with Functions 5. Getting Familiar with Scala Collections 6. Object-Oriented Scala Basics 7. Next Steps in Object-Oriented Scala 8. More on Functions 9. Using Powerful Functional Constructs 10. Advanced Functional Programming 11. Working with Implicits and Exceptions 12. Introduction to Akka 13. Concurrent Programming in Scala 14. Programming with Reactive Extensions 15. Testing in Scala 16. Other Books You May Enjoy

Calling a function

We can call a function to perform the task we defined for it. While calling, we pass the arguments that the function takes as input parameters. This can be achieved in a variety of ways: we can specify a variable number of arguments, we can specify the name of the argument, or we can specify a default value to consider in case the argument is not passed while calling the function. Let's take a scenario where we are not sure about the number of arguments to be passed to a function for evaluation but we are sure about the type of it.

Passing a variable number of arguments

If you remember, we've already seen an example for functions that take a variable number of arguments and perform operations on...

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