They asked some basic concepts likes ops and multithradong collection and exception and in second they asked advance concept like spring, sprinboot.
Junior Java Developer Interviews
Junior Java Developer Interview Questions
"Junior developers are often responsible for writing the more monotonous and simple code required by senior members of the development team. Because of this, interviews will be designed to test your knowledge of the fundamentals of Java so be prepared to answer technical questions that you likely came across in college. Data structures and algorithms will be heavily emphasised. A bachelor's degree or equivalent work experience is required. "
3,801 junior java developer interview questions shared by candidates
Java Core, Spring Boot, Hibernate, Spring Security
General java language + oop
concept of oops? frameworks? about project?
It was sometime ago but it had to do with designing a sorting algorithm.
Describe at least 5 differences between abstract classes and interfaces.
What is a constructor?
What is garbage collection?
1) object oriented programming language 2) method overloading and method overriding difference 3) String buffer vs string builder 4) SQL Hql query 5) Abstraction How to achieve abstraction 6) interface and abstract class difference
Spring actuators, design patterns, microservices
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