Java Core Class (Type, File)

Hibernate

1. Hibernate overview

1. What is Orm desing pattern? How it works?

2. Advantages of Orm.

3. Hibernate Framework overview.

4. Hibernate and Orm.

5. JPA overview. Hibernate and JPA.

6. Hibernate vs JDBC: Advantages and disadvantages of using.

7. Hibernate important interfaces.

8. Hibernate configuration file.

9. Hibernate mapping file.

10. SessionFactory and Session in Hibernate.

11. Hibernate caching. Levels of cache.

12. Session merge vs call.

13. Save vs saveOrUpdate vs persist.

14. Joins implementation in Hibernate.

15. Lazy loading in Hibernate.

16. HQL overview.

17. Query cache in Hibernate.

18. Different types of cascading.

Testing
1. Testing in Java

1. What is unit testing? Goal/benefit of Unit testing.

2. What is TDD? Advantage of TDD.

3. Features of Junit.

4. Important Junit annotations overview.

5. DB unit testing overview.

6. Why do we need mocking?

7. Mackito and PowerMock overview, how to use, best practice.

Microservices
1. Microservices overview

1. Advantages and disadvantages of Monolithic Architecture.

2. Service-oriented architecture overview.

3. What are microservices?

4. Advantages and disadvantages microservices. Challenges you face while working Microservice Architectures.

5. Difference between Monolithic, SOA and microservices Architecture.