What are the interview questions for Spring?
General Questions – Spring Interview Questions
- What are the major features in different versions of Spring Framework?
- What is a Spring Framework?
- List the advantages of Spring Framework.
- What are the different features of Spring Framework?
- How many modules are there in Spring Framework and what are they?
How does Spring boot connect to Hibernate?
How to Integrate Spring Boot with Hibernate
- Spring Boot with Hibernate.
- Configuring Database (MySQL)
- Database Initialization.
- Create JPA Entity Class.
- Create The Repository.
- Create The Service.
- Create Customer Controller.
- Test The Application.
What is application context in Spring interview questions?
BeanFactory is the basic container whereas ApplicationContext is the advanced container. ApplicationContext extends the BeanFactory interface. ApplicationContext provides more facilities than BeanFactory such as integration with spring AOP, message resource handling for i18n etc.
What are the Hibernate interview questions?
Hibernate Interview Questions For Freshers
- What is ORM in Hibernate?
- What are the advantages of Hibernate over JDBC?
- What are some of the important interfaces of Hibernate framework?
- What is a Session in Hibernate?
- What is a SessionFactory?
- What do you think about the statement – “session being a thread-safe object”?
What is the benefit of using Spring on top of Hibernate?
Spring framework is useful for transaction management, dependency injection; aspect-oriented programming for applications whereas Hibernate framework is useful for object-relational persistence, access data layers, and query retrieval services for enterprise-level applications.
What is a MultipartResolver and when it’s used?
What is a MultipartResolver and when it’s used? MultipartResolver interface is used for uploading files – CommonsMultipartResolver and StandardServletMultipartResolver are two implementations provided by spring framework for file uploading.
Why Spring is loosely coupled?
The concept of object-oriented is a good design to break your system into a group of reusable objects. However, when system grows larger, especially in Java project, the huge object dependencies will always tightly coupled causing objects very hard to manage or modify.
What is IoC container in Spring?
Spring IoC Container is the core of Spring Framework. It creates the objects, configures and assembles their dependencies, manages their entire life cycle. The Container uses Dependency Injection(DI) to manage the components that make up the application.
What is relation between JPA and Hibernate?
Conclusion: The major difference between Hibernate and JPA is that Hibernate is a framework while JPA is API specifications….Java – JPA vs Hibernate.
| JPA | Hibernate |
|---|---|
| It is not an implementation. It is only a Java specification. | Hibernate is an implementation of JPA. Hence, the common standard which is given by JPA is followed by Hibernate. |
Can we use JPA without Hibernate?
JPA can be used without a JPA provider aka Hibernate, EclipseLink and so on only if the application server has already a JPA implementation.
What is the core interface of Hibernate?
The core interfaces of Hibernate framework are: Configuration. SessionFactory. Session.
Why Hibernate is called lightweight?
Hibernate framework is open source and lightweight, A framework is called lightweight when it comes to size and transparency, the term lightweight is sometimes applied to a program, protocol, device, or anything that is relatively simpler or faster or that has fewer parts than something else.
What is the difference between spring transaction and Hibernate transaction?
Hibernate deals with database specific transactions, whereas spring provides a general transaction management service. @Transactional is a nice way of configuring transaction management behaviour.
What is multipart resolver in Spring?
MultipartResolver interface is used for uploading files; CommonsMultipartResolver and StandardServletMultipartResolver are 2 implementations provided by spring framework to facilitate file uploading.
What is setter injection in Spring?
Setter injection is a dependency injection in which the spring framework injects the dependency object using the setter method. The call first goes to no argument constructor and then to the setter method. It does not create any new bean instance. Let’s see an example to inject dependency by the setter method.
What is difference between IoC and DI in Spring?
Spring IoC (Inversion of Control) Container is the core of Spring Framework. It creates the objects, configures and assembles their dependencies, manages their entire life cycle. The Container uses Dependency Injection(DI) to manage the components that make up the application.
Can we use Spring data JPA without Hibernate?
Spring Data JPA is really a set of dependencies that makes it easier to work with a JPA provider. Hibernate is one of several JPA providers. This means you can use Spring Data JPA without using Hibernate (if you really wanted to).