Java Naming conventions

Package life: All lowercase, identifiers are separated to make the package life easier to read
Class Name/interface: Use nouns, capitalize the initials, and avoid using acronyms as much as possible
Method: First letter lowercase, followed by the first letter of each word uppercase, method if the value of the member variable is returned, the method name should write the get member variable, if you modify a member variable, you should set member variable, return Boolean, prefix should be is
Variable: The first letter is lowercase, the first letter of the middle word is capitalized, try to avoid the use of short, or meaningful words.

Constants: All letters are capitalized, and words are separated by _.

Java Naming conventions