Number numberRef $=$ new Integer$(0)$; Double doubleRef $=($Double$)$numberRef;

Which of the following statements is correct?

Group of answer choices

The program runs fine, since Integer is a subclass of Double.

There is no such class named Integer. You should use the class Int.

You can convert an int to double, so you can cast an Integer instance to a Double instance.

A runtime class casting exception occurs, since numberRef is not an instance of Double.

The compiler detects that numberRef is not an instance of Double.