What's the time complexity of a lookup in a HashMap?
Senior Java Software Engineer Interview Questions
5,572 senior java software engineer interview questions shared by candidates
Basic Java, Springboot and project related questions
Real Production Problems and how to mitigate it
Java spring boot,sql, more focus on spring boot
Two way and Three way Authentication. Spring Security, Hashmap and Hashtable difference
The Kafka infrastructure, annotations from Spring, some computational complexity. Caching, queuing. Live coding of hash map based algorithm
How do you communicate between micro services
Deep dive into project Spring boot questions like scopes of bean, shut down hooks etc. Project deep understanding was required. Threading question like thread pool Collections
Linked list insertion of # after every node that contains ofd number, thread safe singleton was asked to implement, detecting loops in linked list, second highest salary in sql, how to implement many to many mapping in no sql db. And lots more.
The interview focused on culture fit and soft skills. Key questions were about teamwork, handling feedback, being part of an on-call rotation, and availability to work four days a week on-site.
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