Questions on SDLC, Core Java - Multi threading, Exception handling, collections, Java 8 features, Abstract methods & interfaces; Maven , Jenkins, Unix Shell Scripting, basic questions on AWS, SQL Commands, Spring boot - bean scope, DI, Annotations, properties file; JPA hibernate, Spring MVC architecture. Managerial round : Roles & Responsibilities, achievements, interests, questions on how well we can operate under pressure.
NA
create a spring app that structures data into a tree
Threading, concurrency, design patterns, OO concepts
Java basics, Springboot basics and angular
find duplicate character in string
Draw er model for an institute, which provides coaching in different modules?
How would you create an immutable object in Java? How do you feel about the type system of Java vs Javascript? What is a relational database? When would you use a nosql database instead of sql? What is MERN? What is a CDN, why would you use it? What is an ORM? When would you not use an ORM like Hibernate? What does Spring framework provide that core Java does not? Why use Mockito? What is the React lifecycle?
I won't go into details about the questions, but there were several systems design questions that took up about a half hour and one medium-difficulty coding problem that took up the rest of the interview.
- Explain dependency injection in Spring. - What frameworks do you use for unit tests and integration tests. - Have you work with threads, have you worked with microservices. - Explain the CI/CD pipeline.
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