A company (technical side)

Most of the 5-minute end of the face, I gave face to 30 degrees minutes, the problems of which remember the following, of course, there are many do not remember

Start with drawing the project flowchart, and why do the project, the project encountered the biggest problem is what, then how to solve. 1. What is polymorphic and why use polymorphism? 2. Object-oriented features, well, you talk about the features of the Java language. 3.Java in the number of singleton mode, write out 3 of the 4.final finally what do not use 5. Have not used the interface, specifically, what are the advantages of the interface, 6.Java why can not use multiple inheritance? 6. (Next question) has the abstract class been used? Talk about the difference between an interface and an abstract class 7. Do you know the string class? Have you read the source code, and tell me about the definition of the string function, string can be inherited? 8. How is the database science, additions and deletions should know. 9. Talk about the difference between order by and group by 10. Look at your resume familiar with the Linux command, say that you often use the 10 commands, ls command has the parameters of 11.linux file permissions to understand it, to speak, Here's an example to ask about permissions 12. Multithreading How to achieve, write a multi-threaded bar 13. The framework knows about spring's life cycle 14. You've used JSPs, so what do you say about JSP? What is the life cycle of a JSP. What directives the JSP has. 15. Write a bubble sort

A company (technical side)