As the output shows, the recommended “indent” approach prevents inlining of the constant variables and allows the updated Constants.java constants to be fully reflected in the executed code.

On the "Naming Conventions" doc page, it says in the Constants, Values, Variable and Methods that: Constant names should be in upper camel case... (similar to Java’s static final members) Java does ...

Formatting class with a variable/field called "sealed" causes IAE: No enum constant javax.lang.model.element.Modifier.SEALED with Java < 15 #1224 ...