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
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?
- How would you go about implementing a web-service end-to-end, include all features like security, load balancing, scalability etc. - Difference between REST and SOAP? when to prefer what
How to return value from thread How to handle cases where results start coming in the Future concurrency api - start processing results as they arrive and not wait for all threads to return result Is GC a single thread or multi-threaded How to fetch properties file from classpath Some puzzles - sitting in a boat with big rock, drop the rock in water what happens to water level
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