Today, most of the students have already gone to work. Recently, it is also the peak of job-hopping talent flow. I got the year-end bonus and looked for better opportunities.

Xiaobian also face a few companies, come back to sort out the following by sharing for everyone to do a reference. There are many, share 20 for now, more will be sorted out and shared later.

1. The difference between Mybatis and Ibatis

2.Http1 vs. Http2

3. Execution flow of SpringMVC

4. Which memory regions does JVM memory overflow refer to? What exceptions are thrown?

5. Talk about understanding AJAX

6. Talk about your understanding of things

7. Can strings be inherited? Why is that?

8. Talk about inheritance and convergence

9. What are deep copy and shallow copy?

10. Talk about some common runtime exceptions

11. What problem did the JDK introduce generics to solve?

12. Talk about hashCode and equals

13. Talk about reflexes

14. What are the common JVM Settings parameters?

15. What is Spring Boot?

16. Talk about Spring transaction propagation features

17. What kind of transaction management mechanisms does Spring have?

18. What does ACID mean?

Mysql Btree and B+Tree

20. Talk about the application scenarios of in and EXISTS in Mysql

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