Java subclasses access private member variables of the parent class

The/** subclass inherits all the properties and methods of the parent class.
* But depending on the permission identifier, the subclass cannot see the private variable of the parent class, but the private variable can be accessed through the public method of the parent class
* So for duplicate names, subclasses and parent classes have one copy.
* Overridden for methods that have duplicate names in subclasses and parent classes. That is, the subclass overrides the method of the parent class for polymorphism.
* Overloads of a method are different from the signature of a function in the same class. The signature of the function is the function name + parameter list, regardless of the return value.

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Java subclasses access private member variables of the parent class