javascript - How do you define "proficient", "skilled", "familiar", "general" and "understanding" of PHP, Python and Java?

Question

RT, the poster is preparing to write a resume recently, and wants to know what kind of skills are needed to be "proficient", "skilled", "familiar", "general" and "understood" in the three programming languages ​​of PHP, Python and Java. Approximately at what level?

How to write your resume so that it is not exaggerated or arrogant, but it is not self-deprecating?

Answer 1

Understand: know the language and be able to spell its name correctly;
General: have written Hello World;
familiar: have written DEMO;
Proficient: have done some practical things;
Proficient: have studied for 21 days.

Answer 2

php

Understand: Know what it does.
General: I have written projects using it, how to install it.
Familiarity: Get a framework and get started quickly.
Proficient: Master various basic knowledge, such as HTTP protocol, TCP/IP protocol, algorithms, and design patterns, and be able to quickly create a reasonably structured framework. Can describe the operating mechanism and life cycle of fastcgi under Apache and nginx.
Proficient: Proficient in writing extensions, able to contribute code to php-src, and proficient in C language.