Basic oops concepts, HashMap and ConcurrentHashMap Internal implementation, Multi-threading Concepts etc. Managerial round was totally about discussions based on previous company work experience.
Software Engineer Senior Java Developer Interview Questions
1,895 software engineer senior java developer interview questions shared by candidates
What are data structures in Java you're familiar with?
How to prevent retries from performing same operation twice?
Difference between HashMap and ConcurrentHashMap
Internal workings of HashMap
Explain OOPs Explain String Write program to remove duplicates from arraylist.
Inner and Outer joins in sql
explain hashing technique used by Java, explain hashmap, explain log(n) time complexity, explain sorting algorithm used by Arrays.sort().
Java basic knowledge, like differences between interface and abstract class,usage of static variable, what is OOP and object, java access modifier. Also some simple SQL questions, inner join ,left join
Mostly resume based questions Circuit breaker life cycle How do you configure 2 databases mysql, oracle with @entity in entity package First non repetitive character using streams
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