Prod ready code to find nth smallest element in an array(unsorted) Mirror binary tree at odd levels, Print matrix in spiral order
Backend Developer Interview Questions
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Code review a provided implementation of a Stack
really simple ordering and sum price in static data structure
How would you handle a friend in the office that keeps making mistakes that can impact the company and doesn't listen to your corrections?
They asked me to write and explain the logic for printing a matrix in spiral order (spiral matrix traversal).
Do you have any commercial experience using Java?
Process vs thread How big a 32bit os process is Heap vs stack process Observer pattern Cross site scripting Cross-site request forgery Cache Relational vs non relational DB NAT stands for network address translation Array vs linked list, O(of a action)
Lots of deep knowledge questions about specifics of a project, why decisions were made, trade-offs, and alternative solutions.
Circuit breaker implementation in Java: The service A calls service B and service C every time. If one service fails 3-times in 10 minutes ( or 20 seconds in the implementation) the next call will be blocked for 5 minutes (10 seconds in the implementation). There was given a simulation of remote method calls, I needed to implement only the execute() which calls the remote service if possible.
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