March 2012
Intermediate to advanced
384 pages
8h 36m
English
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Chapter 6. Objects
Topics in This Chapter 
• 6.2 Companion Objects — page 66
• 6.3 Objects Extending a Class or Trait — page 67
• 6.4 The apply Method — page 67
• 6.5 Application Objects — page 68
In this short chapter, you will learn when to use the object construct in Scala. Use it when you need a class with a single instance, or when you want to find a home for miscellaneous values or functions.
The key points of this chapter are:
• Use objects for singletons and utility methods.
• A class can have a companion object with the same name.
• Objects can extend classes ...
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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.