Take home assignment & pairing session
Senior Java Engineer Interview Questions
5,790 senior java engineer interview questions shared by candidates
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.
How we can implement concurrency in java?
What is a String pool?
Imagine Stausneo wants to double its engineering output in the next 18 months without compromising quality. How would you design a strategy to achieve this, balancing talent, technology, and culture?
Describe the SOLID principals.
What is the hashcode method?
What is type erasure?
what's OOP
First interview was telephonic call in which they asked two coding questions, print alternate level nodes of tree and one more array related coding problem. Second round was hangout call in which they asked two coding questions on hackerearth. 1)Search pivot such that left and right should be equal 2)Return string contamination (minimum in lexicographical order) in the given list of strings. Polymorphism related concepts , Java 8 features , Threads , why runnable is better , serial and parallel streams , difference between sql and no sql Some output based questions on constructor , polymorphism.
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