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Kotlin Programming: The Big Nerd Ranch Guide, First Edition
book

Kotlin Programming: The Big Nerd Ranch Guide, First Edition

by Josh Skeen, David Greenhalgh
July 2018
Intermediate to advanced content levelIntermediate to advanced
400 pages
12h 14m
English
Big Nerd Ranch Guides
Content preview from Kotlin Programming: The Big Nerd Ranch Guide, First Edition

Iteration

The tavern master makes a point of greeting each patron, as it is just good business to do so. Lists include built-in support for a variety of functions that allow you to perform an action for each element of their contents. This concept is called iteration.

One way to iterate through a list is a for loop. Its logic is, “for each element in the list, do something.” You give the element a name, and the Kotlin compiler will automatically detect its type for you.

Update Tavern.kt to print a greeting for each patron. (Also, remove the code from earlier that modifies and prints patronList to tidy up your console output.)

Listing 10.13  Iterating over the patronList with for (Tavern.kt)

... fun main(args: Array<String>) ...
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Publisher Resources

ISBN: 9780135165188