From the course: Design Patterns: Creational
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How the pattern works
- [Instructor] Let's take a look at the generic Builder Pattern structure from the Gang of Four catalog and then we'll see how this applies to our example of building cars. We have a Director class. This is the class that's responsible for building the product using the Builder class. The Director will use the Builder interface to assemble the products. And depending on which Concrete Builder it's using that build process will result in different concrete products. Here, the Builder interface has just one method: buildPart. But it's likely that builders in the real world will have multiple methods for building complex objects. Once the Director has called the methods to build the product, the Director needs to get a reference to the finished product. This is where the build method comes in. The build method takes all the parts that have been added to the object via the Builder interface, assembles the final product,…
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