Analyze the following code:

class Circle $\{$

private double radius;

public Circle$($double radius$)\{$

radius $=$ radius;

$\}$

$\}$

The program has a compile error because it does not main method.

The program will compile, but you cannot create an ob Circle with a specified radius. The object will always ha radius $0.$

The program has a compile error because you cannot a: radius to radius.

The program does not compile because Circle does not I default constructor.