August 2017
Intermediate to advanced
440 pages
10h
English
Content preview from Android Development with Kotlin
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Statements versus expressions
Kotlin utilizes expressions more widely than Java, so it is important to know the difference between a statement and an expression. A program is basically a sequence of statements and expressions. An expression produces a value, which can be used as part of another expression, variable assignment, or function parameter. An expression is a sequence of one or more operands (data that is manipulated) and zero or more operators (a token that represents a specific operation) that can be evaluated to a single value:
Let's review some examples of expressions from Kotlin:
|
Expression (produces a value) |
Assigned value ... |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.