Yes, we can override a method which is overloaded in super class.

Can a method be overridden and overloaded at the same time?

A method can be an override for an overloaded method in a superclass. And you can overload a method that you are simultaneously overriding using another method. However, you cannot have one method that is both a new overload and an override.

Can overridden method be overloaded in Java?

private and final methods can be overloaded but they cannot be overridden. It means a class can have more than one private/final methods of same name but a child class cannot override the private/final methods of their base class.