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Questions and Answers
What is the purpose of using the bridge pattern in software development?
In the context of the bridge pattern, how does the client interact?
What happens when methods are called in the Bridge in the context of the bridge pattern?
How does the Bridge relate to the Implementation interface in the bridge pattern?
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What flexibility does adding additional methods on a client's view provide in the context of the bridge pattern?
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What is the main goal of the adapter pattern?
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In the context of the Adapter pattern, what is an 'interface adapter'?
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What is the key difference between an 'interface adapter' and an 'object adapter' in the Adapter pattern?
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When is a 'two-way adapter' typically used in software development?
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Why is the Adapter pattern mostly used when adapting existing classes?
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What does an 'object adapter' do differently compared to an 'interface adapter' in the Adapter pattern?
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Which design approach is often referred to as 'Object Adapter' in the context of the Adapter pattern?
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Study Notes
Bridge Pattern
- The purpose of the Bridge pattern is to decouple an abstraction from its implementation, allowing them to vary independently.
- The client interacts with the Bridge by calling its methods, which then delegate the requests to the chosen implementation.
- When methods are called in the Bridge, they forward the requests to the Implementation interface, allowing the implementation to perform the necessary actions.
- The Bridge relates to the Implementation interface by providing a layer of abstraction between the client and the implementation, allowing the client to work with different implementations without knowing their details.
- Adding additional methods on a client's view in the Bridge pattern provides flexibility by allowing the client to work with different implementations without needing to know their internal details.
Adapter Pattern
- The main goal of the Adapter pattern is to allow incompatible objects to work together by converting the interface of one object into an interface expected by the clients.
- An 'interface adapter' in the Adapter pattern is a type of adapter that converts the interface of one class into another interface expected by the clients.
- The key difference between an 'interface adapter' and an 'object adapter' is that an interface adapter converts the interface, whereas an object adapter adapts the object itself.
- A 'two-way adapter' is typically used when an object needs to work with two different interfaces.
- The Adapter pattern is mostly used when adapting existing classes because it allows the developer to reuse existing code without modifying it.
- An 'object adapter' in the Adapter pattern adapts the object itself, whereas an interface adapter converts the interface.
- The 'Object Adapter' design approach in the Adapter pattern involves adapting the object itself, rather than just its interface.
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Description
Learn about the bridge pattern in software design where existing code can be invoked with a specific version without changing the calling code. Explore how the client interacts with the abstraction and implementor interface. Understand how aggregation is done on the implementation interface in the Bridge.
