2nd round: 1 array and 1 linked list question 3rd round: 2 array questions
Backend Software Engineer Interview Questions
2,345 backend software engineer interview questions shared by candidates
Questions relevant to your resume. Core Java final, finally, inheritance, abstraction,... questions, Design patterns singleton, factory, builder, adapter..., spring ioc, MVC flow, hibernate primary secondary cache and Database related questions normalization and denormalization stuff. Coding question like palindrome detection, fizzbizz, string manipulation, lambda expressions from Java 8
Pitfalls of using Lombok's toString annotation in entities?
Differences between API to event
What design patterns have you used before?
Interviews emphasised heavily on algorithms, data structures and system design (scalability and reliability).
Equi 3-sum of array. Mostly on binary trees, arrays. Library function to convert string to integer.
1) finding square root of x 2) sum of 2 linked list 3) scenario based question - OOPs concept
Create a news feed class where elements can be retrieved in FIFO (queue) order, but when you try to add an element that already exists in the queue is moved to the end of the feed (queue).
- System Design Interview, draw the architecture of a system with some specific requirements on the white board.
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