Do you know how hard it is to find a job this year? Anyway, I'm tired, the interviewer has already asked Spring badly, ask! rotten! Up!
Feel free to take ten interview questions first:
- What are the benefits of using the Spring framework
- Explain the AOP module
- Explain the JDBC abstraction and DAO module
- How to configure Spring based on Java configuration
- What is Spring IOC container
- Which method of dependency injection do you recommend, constructor injection or Setter method injection
- What are the core classes of Spring and what are their functions
- What is AOP and what is the role of AOP
- Talk about your understanding of spring IOC and DI, what is the difference between them
- Why do things spread behavior
A few questions are still very difficult. At the same time, don't underestimate Spring, many companies still include Spring requirements.
Today, I will share with you Spring, which I was asked badly during the interview, to prepare for your next silver five. If you need this Spring "Ancestral Cheats", please forward this article, follow me and send a private message [Spring] You can receive it.
Spring core knowledge
1. Introduction to Spring
Spring is an open source framework, created to solve the complexity of enterprise application development, but it is now not only used in enterprise applications;
Is a lightweight inversion of control (IOC) and aspect-oriented (AOP) container framework;
It was originally written by Rod Johnson and was first released under the Apache 2.0 license in June 2003.
2. Core components
3. Core principles
I don’t need to say anything about the importance of the principle. If you don’t even understand the principle, what technology can you talk about? Talking about salary increase?
Spring IOC principle:
Principle of Spring APO:
Spring MVC principle:
Spring Boot principle:
Spring common interview questions
- The principle of Spring ioc and aop
- Spring framework
- spring transaction
- Spring bean scope
- What are the benefits of using the Spring framework
- What is Inversion of Control (IOC)? What is dependency injection
- How to configure Spring using XML configuration
- Please give an example to explain @Required Annotation
- What design patterns are used in the Spring framework
- .....
Spring study notes
I said at the beginning, I want to get a 30k, the interviewer has already asked about Spring. It’s really not enough to give up. Fortunately, I have a good knowledge of Spring. The company has always used Spring for projects. The whole family bucket, so the interviewer asked me so I didn't panic at all.
Simply, I integrated these Spring knowledge into a study note, which can be provided to friends in need to avoid being "locked up" by the interviewer's questions.
Receiving method: forward + forward + forward, then follow me, private message [notes] to receive it for free!
The content roughly includes:
- Spring-HelloWorld steps
- How to configure beans in the container
- Configuration details of bean properties
- Bean autowiring in XML configuration
- Inherit Bean configuration
- Life cycle of Bean in IOC container
- .........
How to get it: After three consecutive sessions, you can get it for free by sending a private message [notes] or adding the assistant WeChat mxj94670!