January 2018
Intermediate to advanced
434 pages
14h 1m
English
Content preview from Kotlin Programming Cookbook
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Using the use keyword in Kotlin
There are some situations where if you use a resource (for example, a file) then you have to take care of its lifecycle so that you don't leak resources. For example, if you read from a file, you need to close it after use, or else you'll leave it in an unstable state. Java 7 brought an update that could handle this without a need to handle it explicitly. Kotlin also provides this feature, but in a much easier way. It does so by using the use method. We will learn about this in the following recipe. So let's get started!
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.