Spring Boot | Microservices Interview Questions Part 1 | Simple Programming

Hi All,

Welcome to Simple Programming,

Interview Questions,

First Round
1. Microservices Disadvantages, personal experience
2. Consider that there are 10 microservices in your architecture, how will you secure the communication between M1 and M2, etc.
3. Your experience on Microservice Design Patterns
4. Consider each microservice has individual data source, I have a requirement to join data from two data sources, how can I implement this?
5. @Component and @Bean
6. What do you know about Spring Transaction Management and how to implement it
7. Have you worked on Future and Completable Future
8. Future vs Completable Future
9. Crud Repository vs JPA Repository
10. Write an API to observe a list of students(name, age) do post, put and sort the list by name, and again sort it by age before sending back
public ResponseEntity(Student) insert(@RequestBody List Student students){}

• Serializable
• diff 1L vs generated
• Will you face any issues if all the classes have 1L
• Why ResponseEntity?
• Comparator vs Comparable
• Collections.sort()
• Multiple Comparator
• Method Reference
• Java 8 Lambda
• Put vs Patch
11. Containerization experience
12. Docker Swarms
13. Java Bean Mapping - BeanUtils, Dozer, MapStruct
14. non-singleton to Singleton Bean - prototype inside a singleton
15. SLF4j vs Log4J
16. Design Patterns - tell any 4 and explain with your experience
17. Spring Dependency Injection
18. Spring Boot Profiles
19. Functional Interfaces
20. what function inside predicate have to made use of other than isEqual()
21. .map() vs .flatmap()
22. Test Driven Development

#springboot #microservices #interviewquestions