Why doesn't Java allow hiding static methods by instance methods?

Question

As shown in http://docs.oracle.com/javase/tutorial/java/IandI/override.html, Java does allow

1. Overriding an instance method by an instance method and
2. Hidin

Answer 1

Simple answer: that would be the mess.

Concrete answer: what to call in that case Derived.foo()? Base.foo() can't be called as it's hidden (as per you), Derived.foo() can't be called as it's not static.