Paintfill question from Cracking coding interview
Backend Software Engineer Interview Questions
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Given a 2-D int array, write an iterator that traverses it from left to right and top to bottom. The iterator has 2 methods - boolean hasNext() and int next(). The array can have rows of different sizes, so for e.g. 1, 2, 4, 5 5, 6 <null/empty>, 10, 40, 50 The 2D int array was represented as ArrayList<ArrayList<Integer>>().
Case study interview question was the most in depth. It involved system design, coding and database optimization
What is a closure?
Two puzzles, on related to Arrays were things were defined within mathematical terms, such as epsilon for summation and pi for product.
Q: How do you optimize database queries in a Spring Boot application?
Q: How do you handle transactions in Spring Boot?
They asked me how I would get all active users from the database using Django ORM.
Do you like Turkey? and why?
What social activities do you do with your friends?
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