December 2015
Beginner to intermediate
195 pages
2h 52m
English
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CHAPTER 19
Prototype Patterns
GoF Definition: Specify the kinds of objects to create using a prototypical instance, and create new objects by copying this prototype.
Concept
The prototype pattern provides an alternative method for instantiating new objects by copying or cloning an instance of an existing one. Creating a new instance, in a real-world scenario, is normally treated as an expensive operation. This pattern helps us to deal with this issue. Our focus here is to reduce the expense of this creational process of a new instance.
Real-Life Example
Suppose we have a master copy of a valuable document. We want to make some change to it to ...
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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.