Design patterns · interview question
How would you implement a Proxy pattern to control access to a remote service that calculates tax rates in an e-commerce application?
Multiple choiceHardchapter-13-curatedpremiumdesign-patternsproxy-and-adapter
Answer and explanation
Correct answer
D. Create a Proxy class that implements the same interface and adds access control logic
Why
A Proxy class can be created to implement the same interface as the remote tax service, adding logic to manage access and possibly cache results to reduce service load.
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