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You're reading from  Android Studio 4.1 Development Essentials – Kotlin Edition

Product typeBook
Published inMay 2021
PublisherPackt
ISBN-139781801815987
Edition1st Edition
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Author (1)
Neil Smyth
Neil Smyth
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Neil Smyth

Neil Smyth has over 25 years of experience in the IT industry, including roles in software development and enterprise-level UNIX and Linux system administration. In addition to a bachelor’s degree in information technology, he also holds A+, Security+, Network+, Project+, and Microsoft Certified Professional certifications and is a CIW Database Design Specialist. Neil is the co-founder and CEO of Payload Media, Inc. (a technical content publishing company), and the author of the Essentials range of programming and system administration books.
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15.8 Variable Number of Function Parameters

It is not always possible to know in advance the number of parameters a function will need to accept when it is called within application code. Kotlin handles this possibility through the use of the vararg keyword to indicate that the function accepts an arbitrary number of parameters of a specified data type. Within the body of the function, the parameters are made available in the form of an array object. The following function, for example, takes as parameters a variable number of String values and then outputs them to the console panel:

fun displayStrings(vararg strings: String)

{

    for (string in strings) {

        println(string)

    }

}

 

displayStrings("one", "two", "three", "four")

Kotlin does not permit multiple vararg parameters within a function and any single parameters supported...

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Android Studio 4.1 Development Essentials – Kotlin Edition
Published in: May 2021Publisher: PacktISBN-13: 9781801815987

Author (1)

author image
Neil Smyth

Neil Smyth has over 25 years of experience in the IT industry, including roles in software development and enterprise-level UNIX and Linux system administration. In addition to a bachelor’s degree in information technology, he also holds A+, Security+, Network+, Project+, and Microsoft Certified Professional certifications and is a CIW Database Design Specialist. Neil is the co-founder and CEO of Payload Media, Inc. (a technical content publishing company), and the author of the Essentials range of programming and system administration books.
Read more about Neil Smyth