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UML class structure
The following UML diagram shows all the components of the Builder design pattern:
UML diagram for the Builder design pattern:
- Builder (AccountBuilder): This is an abstract class or interface for creating the details of an Account object.
- ConcreteBuilder: This is an implementation to construct and assemble details of the account by implementing the Builder interface.
- Director: This constructs an object using the Builder interface.
- Product (Account): This represents the complex object under construction. AccountBuilder builds the account's internal representation and defines the process by which it's assembled.