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Interview experiences & questions tagged Design Patterns
Write the implementation of a Singleton class.
Why do we use a private constructor?
Design a Rate Limiter (class design, interfaces, methods, and design patterns).
Explain the Singleton design pattern and write Java code implementing a thread-safe Singleton class.
Design a Locker Delivery System for an E-commerce platform. Describe the flow where a delivery agent requests a locker, the system assigns an available locker, and the process for customers to use the locker to collect their packages. Consider how to make the system extensible to accommodate different package attributes.
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