few technical questions not difficult but i got feeling people asking them do not know the correct answer
Java Senior Interview Questions
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difference between interface and abstract class
What is the good code and what is the bad?
Given a large file that does not fit in memory (say 10GB), find the top 100000 most frequent phrases. The file has 50 phrases per line separated by a pipe (|). Assume that the phrases do not contain pipe.
find top k phrases in file, file size is like 10-20GB
find two elements in the array which produce a sum equals to a specific target sum
You fetch data from API, How to avoid rewriting client but get data field which you don't parse now and neglect?
A mix of your ordinary algorithm questions like sorting, etc. Very typical of an interview. Then some "break it" questions - what is wrong with this, create something with this issue, etc. Questions that only experienced developers can answer.
difference between Map and Hashmap
How the indexes are built. SOLID patterns , mircro services, spring boot.
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