A classic question in the interview involves implementing either a Load Balancer or a URL Shortener class using a Test-Driven Development (TDD) approach. This means you are expected to write test cases first and then develop the working code that ensures all tests pass.

The code must be production-ready, thread-safe (avoiding deadlocks), and should incorporate well-known design patterns such as Strategy. Additionally, you are required to implement functionality that involves probabilities (e.g., random selection) and ensure it is covered by test cases. It is also expected that you mention how probabilities can be tested using statistical methods, such as equal frequency distribution.

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A classic question in the interview involves implementing either a Load Balancer or a URL Shortener class using a Test-Driven Development (TDD) approach. This means you are expected to write test cases first and then develop the working code that ensures all tests pass.

The code must be production-ready, thread-safe (avoiding deadlocks), and should incorporate well-known design patterns such as Strategy. Additionally, you are required to implement functionality that involves probabilities (e.g., random selection) and ensure it is covered by test cases. It is also expected that you mention how probabilities can be tested using statistical methods, such as equal frequency distribution.

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