Java 8, Collections framework, Exception Hierarchy, String related questions, Spring boot, Spring data, JPA, Hibernate, java 8 code problem, code problem, exception handling. Spring framework, Spring MVC framework. Employee management machine learning project using Spring.
The interview process was moderately challenging. It started with a Java technical task using Java 17 and Maven, requiring live coding and debugging while sharing the screen on Teams. The second part focused on soft skills, discussing teamwork, problem-solving, and communication. Overall, it tested both technical expertise and collaboration skills.
Collections,Java 8, Threading,Spring (scopes,AOP,DI),spring boot,SQL,REST API, Microservices,Junit (thorough knowledge).
Total 2 question, 1 programming challenge something similar to medium challenge questions from leetcode. 2: to write a spring boot rest end point with so some business logic.
explain internal structure of hashmap.
how do u map Data bean conflict exclude bean
Asked: Converting ArrayList into Set, HashMap internal Working
what Spring boot Annotations you have used
What is dependency injection?
Why do you want to work at Picnic?
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