Summary of interview questions in February 2023, no answers, continuously updated

Summary of interview questions in February 2023 (summary of some interview questions encountered when looking for a job), there are no answers, you need to look them up one by one to become your own

1. When you worked at your last company, what was the most difficult thing about technology?
2. What is the difference between ArrayList and LinkedList? When to use ArrayList and when to use LinkedList?
3. How about Java basics? Which version of JDK are you using?
4. Let’s talk about Spring? What do you know about Spring?
5. How do you usually study by yourself?
6. Let’s talk about databases. Do you know those databases?
7. Let’s talk about mysql, database engine? What is the difference between Myisam and innDB?
8. Tell me when Springboot transactions will not take effect?
9. When querying big data, how do we need to optimize SQL?
10. Talk about mysql transactions?
11. Tell me what are the field types of mysql? How many bytes do they occupy?
12. Can you talk about the singleton model?
13. How do you usually deal with memory overflow (oot)?
14. When are exceptions caught? When is it thrown?
15. What is the difference between SpringCloud and dobbu? ()
16. Are you familiar with the Internet? What is the http port? https port?
17. Do you understand HashMap? Where did you read the source code?
18. Talk about jdk jre jvm?
19. What is the difference between == and equal?
20. What is the difference between final and static?
21. In addition to jdk1.8, do you use other versions?
22. How do you usually solve problems when you encounter them?
23. Are your future career plans more technical or managerial?

1. What are the solutions for mybatis performance optimization?
2. To compress a file in Linux command, but want to exclude the log file, what command is used?
3. What is the difference between interface and abstract class?
4. What is the difference between jsp and servlet?
5. What is the difference between List, map and set?
6. How do Vue parent and child components communicate (pass values)?
7. How to monitor the change of the style of an element in Vue?
8. How does redis ensure that it is consistent with the data in the database?