Consider the Following Code Snippet

Multiple Choice

Consider the following code snippet:
Public class Box<E>
{
Private E data;
Public Box() { . . . }
Public void insert(E value) { . . . }
Public E getData() { . . . }
}
What will result from the following code?
Box<String> box = new Box<String>() ;
) . .
Box) insert("blue Box") ;
Double myDouble = (Double) box.getData() ;

A) compiler error
B) run-time error
C) correct, but unnecessary cast
D) correct, with necessary cast