Java Language Specification, Version Java SE 21 Edition

6.6.1. Determining Accessibility

4 Documented Misconceptions

PrivateAccessibleInSubclass

Private members of a superclass are accessible from a subclass

PrivateFromOtherInstance

An object cannot access private members of other objects of the same class

PrivateFromStatic

Static methods cannot access private members of instances of same class

PrivateMeansFinal

A private field cannot be changed