Cognizant Java Interview | Java, Spring Boot, Microservices Interview скачать в хорошем качестве

Cognizant Java Interview | Java, Spring Boot, Microservices Interview

In this video, we covered Spring Boot Questions and answers .The candidate has 4 years of experience and got selected in cognizant. Explain the Spring Boot auto-configuration mechanism. How does it work internally? What is @SpringBootApplication and what does it encompass? How does Spring Boot handle dependency management? Difference between @Component, @Service, @Repository, and @Controller? How do you configure different profiles in Spring Boot (dev, test, prod)? What is the difference between application.properties and application.yml? How do you externalize configuration and secure sensitive data like DB credentials or API keys? Explain how exception handling is implemented in Spring Boot REST applications. How do you handle request validation in Spring Boot REST APIs using annotations? What is Spring Data JPA and how does it simplify data access? Difference between CrudRepository, JpaRepository, and PagingAndSortingRepository. How do you implement service discovery with Spring Boot (Eureka)? How does Spring Boot handle inter-service communication (e.g., using RestTemplate or Feign)? What is Sleuth and Zipkin? How are they integrated into a Spring Boot app? How do you write unit tests and integration tests in Spring Boot? How do you integrate Spring Boot with Prometheus and Grafana for monitoring? What are the steps to deploy a Spring Boot application in a Docker container? What tools or methods do you use to analyze Spring Boot performance?