added new question

6 years ago · f63f29a297
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@ -10,3 +10,4 @@ title: Object-Oriented Programming
 - Explain how you would design a HTTP server? Give examples of classes, methods, and interfaces. What are the challenges here?
 - Discuss algorithms and data structures for a garbage collector?
 - How would you implement an HR system to keep track of employee salaries and benefits?
+- How would you implement an Elevator system?