Analyze the following code: class Circle { } private double radius; public Circle (double radius) { radius = radius; } OA. The program has a compile error because you cannot assign radius to radius. OB. The program does not compile because Circle does not have a default constructor. C. The program has a compilation error because it does not have a main method. OD. The program will compile, but you cannot create an object of Circle with a specified radius. The object will always have radius 0.