What is the level of Java proficiency?
It is never recommended to write something on your resume that you know, know, master and master.
The academy has always recommended the six color description method to introduce its technical skeleton.
On the first level, I've never heard of it, so you can't write it on your resume, but there are many things you've never heard of. This layer is gray.
On the second floor, friends or colleagues around you have used them, but you haven't used them. These things are written on your resume, which is not of great significance. On the contrary, when you write and chat with the interview, it's no problem to pull some. It can be regarded as having a wide field of vision. This layer is white.
On the third level, I have used it in the project, but I don't know much about the principle. This can be written on the resume. What is used in the project is often the most skills. This layer is green.
The fourth layer, I have used it myself, and I am familiar with the principle and implementation scheme. This is what needs to be highlighted separately on the resume. For example, the cross domain principle of jsonp, what is the ghost of consistent hash, and so on. It is also possible to talk with the interviewer in depth, and it is also the most proof of your depth of knowledge. This layer of blue.
The fifth layer has not only been used, but also knows the principle and has changed the source code. This is the exclusive skill of senior engineers. We can make some expansion and customization changes according to our business needs. For example, we originally extended Tuscany's RMI implementation in the project to support multiple loads, which can amaze the interviewer most. This layer is purple.
On the sixth floor, the whole framework was written by myself. For example, we encapsulated a set of dal framework in those years, and a set of third-party tag library implemented by SNS according to Facebook, including a set of code generation tools written by ourselves, etc. These are the values of your new company. This layer is orange.
These six color descriptions are enough for you to describe yourself.
The appendix is the post skill tree of junior engineers compiled by the academy and dozens of technical giants in the industry. It uses the six color description method. You can open it to see practical examples~
Appendix: nofollow "> home page | it Academy | faster and more efficient free Java, CSS, JS, operation and maintenance technical training
Therefore, to what extent you want to learn some knowledge of Java system, you can clearly know what you should learn and what degree you should learn according to the six color description method.
In addition to Java, the skill trees of other occupations can also be viewed accordingly~
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