Cognizant
Company name: Cognizant, Pune Position: Sr. Manager / Java Full Stack Dev (Java, Spring Boot, Angular, Cloud) 70% Development (IC) 30% Lead First technical round: Online Video conference - Two interviewer panel members Java-Spring Boot (Backend): Find Duplicated element from unsorted list of array Use case of stream-API Difference between Iterator and stream-API How to achieve Dependency injection in parent and child interface/class in spring boot Scenario on Circuit breaker and its configuration step by step How to implement logging mechanisms in spring boot and make sure that proper debug level will be picked up in CI/CD process of build Efficient way to implement singleton design pattern and how to create only two instance not more than that using enum? Multithreading scenario to add two number Executer service framework to handle third party API and make sure that transaction is pass or fail based on response Step by step implementation of JPA entity class in spring boot. Explain a...