December 2015
Beginner to intermediate
195 pages
2h 52m
English
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CHAPTER 12
Factory Method Patterns
GoF Definition: Define an interface for creating an object, but let subclasses decide which class to instantiate. The factory method lets a class defer instantiation to subclasses.
Concept
The concept can be best described with the examples below.
Real-Life Example
Suppose you have two different types of televisions—one with an LED screen and another with an LCD screen. If any of these starts malfunctioning, you will call a TV repairman to request a visit to your residence. The repairman must ask first what kind of TV is nonoperational. As per your input, he’ll carry the required instruments with him.
Computer ...
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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.