highest second number in array, java streams, time complexity, batch processing, how to upload a csv file, performance for large dataset, spring batch, sql relationships, boxing in java, is List or List better
Sr Java Developer Interview Questions
5,563 sr java developer interview questions shared by candidates
How to create a singleton class
What are generics and why are generic invariants? Given List list = new List, will this code work? list.add(new Cat()); list.add(new Dog());
what is generic in java, what is streams?
General java questions (But not a matter of listing but scenario based to ensure you understanding of concepts and theories) Go through your CV and ask questions based on the technologies and experience list on your CV. Technical session, Go through solving a small problem and building on from it, Architecture session (Give you a problem and ask you to design a solution by drawing flow diagram, I think also sequence diagram cant remember properly)
Hashmap working
How u used oops concept in ur project
L-1: Top10Employees list using Java 8 streams. Salary > 50000/- using Java 8 streams Salary > 50000/- and age < 40 (DOB) using Java 8 streams {1,2,3,4,5} sum = 6 Output {1,5} {2,4} using loops Questions: Java8 streams Functional interfaces HashMap internally working Red black tree @SpringBoot Application What happens without giving to the query params in @put method Schedulers CB pattern Uses of Kafka L-2: Spring boot & Microservices architect How to communicate Micro services How to call external APIs
No difficult questions
Basically OOPs concepts on 1st round and Mostly questions on Design in 2nd round
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