Analyse the following code using The java.lang.Number and its subclasses -
Number numberRef = new Integer(0);
Double doubleRef = (Double)numberRef;
A. There is no such class named Integer. You should use the class Int.
B. The compiler detects that numberRef is not an instance of Double.
C. A runtime class casting exception occurs, since numberRef is not an instance of Double.
D. The program runs fine, since Integer is a subclass of Double.
E. You can convert an int to double, so you can cast an Integer instance to a Double instance.
The correct answer is C
Java
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