To provide an interface for creating families of related or dependent objects without specifying their concrete classes ... design pattern, we take a look at the intricacies of the Abstract ...

The Factory Design pattern is used when ... interfaces as shown in this updated UML diagram: The crux of the pattern is the abstract Vehicle class; it keeps track of the factories and defines ...

Design patterns are solutions to recurring problems and complexities in software design. The Builder design pattern falls under the creational pattern category and can be used to build a complex ...

To enable unit-testing class ComponentAImpl, the implementation of interface ComponentB must be injected into ComponentAImpl. The Java code below shows the details of how to use a variant of Abstract ...