Design a social media platform
Sr Java Developer Interview Questions
5,543 sr java developer interview questions shared by candidates
Java Threads
System design and data structure algorithm
Why hashcode is used in HasMap?
What is abstract class ? How to create ? can we initialize ?
- Given a set of transactions done by a person, it can reach a server in different order. Had to come up with a solution to maintain all transactions done by a person in the order it was done though transactions may arrive out of order.
Garbage Collection, Memory Leaks, Java Collections implementations.
Tell me about yourself . Some sql questions to answer
1. 3rd Highest number in the array, 2. How to handle the singleton state of the object when serializing or deserializing. 3. Functional Interface related questions. 4. Java 8 features.
1. Design high level app. Here I was showing the high level design where suddenly, he interrupted and began asking low level design question and saying later on that this is not high level design. So basically, I was convinced after 15 minutes that he is not in the mood for interview. I thanked and just confirmed if this is the role for backend or frontend. He said both and i was done.
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