Q. Garbage collectors - which one to use when. Q. Concurrency questions / program to write. Q. Java fundamentals - collection, abstract classes/interfaces, functional interfaces, unit testing in Java Q. Puzzles such as design a lift system Q. How to identify memory leaks, tune JVM for performance optimisation - provide examples how to achieve that.
SQL questions
- how the web app maintains the cache in a distributed system? - how to design a lift system? - Designing a vending machine?
questions based on max/min heap and stack.
Implement a concurrent blocking queue
1. Design question how to create best solution/design for existing bucket trade execution system that has lot representative code and nasty old design, lot of follow up question based on my answer...
What are current responsibilities.
What happens when you enter URL in the browser
Nothing difficult if you know core Java and not stupid
How is durable subscription implemented? How do you create a new instance of a generic type parameter?
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