Comparator vs Comparable difference explanation
Senior Java Developer Interview Questions
5,535 senior java developer interview questions shared by candidates
1.print lower range and upper range of sequence.
2.how to find out whether an integer is fibonacci or not?
Technical questions from mainly collections, multithreading, design pattern and some data structure questions. spring and hibernate questions
phone screen was basically on app dev. questions on spring annotations @repository, @ service, @controller, @component etc. Maven configuration and build process. Some on java Hashset - what happens if you try to add duplicate does it update or not. onsite interview conducted by 2 people. questions on hashset implementations , sort method impl using comparable. some core java questions like runnable vs callable. write prgm to find the number of pairs of integers in the array whose sum is equal to ‘sum’. sql to write first highest salary.
What is a database transaction?
List database transaction isolation levels
How we can implement concurrency in java?
3 question on DSA + question on core java, spring boot, angular
Describe a given pattern in microservices architectures.
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