Common naming conventions for Java

Common Naming conventions:

Packages: Similar folders for distinguishing the same class names (lowercase)

Single-stage: for example:student

Multilevel: For example:cn.student

Class or interface:

One word: Capitalize the first letter of the word, for example:Student

Multiple words: Capitalize the first letter of each word, for example:HelloWorld

method or Variable:

A word: The first letter of the word is lowercase, for example:main

Multiple words: Starting with the second word, capitalize the first letter of each word, for example:studentage

Constant:

One word: all uppercase, for example:PI

Multiple words: Each letter is capitalized, separated by _, for example:student_max_age

Common naming conventions for Java