Factory method - delegating the creation of different types of payments
The Factory method pattern (or simply, Factory) is probably the second-best known and used design pattern in the industry. Its purpose is to abstract the user from the knowledge of the struct he needs to achieve for a specific purpose, such as retrieving some value, maybe from a web service or a database. The user only needs an interface that provides him this value. By delegating this decision to a Factory, this Factory can provide an interface that fits the user needs. It also eases the process of downgrading or upgrading of the implementation of the underlying type if needed.
Description
When using the Factory method design pattern, we gain an extra layer of encapsulation ...
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