September 2019
Intermediate to advanced
462 pages
11h 3m
English
Content preview from Programming KotlinBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Designing with Delegates
In the previous chapter, you saw that Kotlin offers a different and safer way to use inheritance than Java. Likewise, Kotlin has much better support than Java for delegation. Before we dive into the syntax for delegation, we’ll take a small problem and design it using inheritance, to better understand the reasons to use delegation over inheritance. Soon we’ll run into issues where inheritance begins to become a hindrance, and you’ll see how delegation may be a better choice for the problem. We’ll then look at how Kotlin is able to readily support our new design using delegation, without flinching.
A Design Problem
Imagine an application that simulates the execution of software projects by corporate teams (don’t worry, ...
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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.