What Is the Result of the Following Code Snippet

Multiple Choice

What is the result of the following code snippet?
Public static void main(String[] args)
{
Double circleRadius;
Double circleVolume = 22 / 7 * circleRadius * circleRadius;
System.out.println(circleVolume) ;
}

A) 0
B) 3.14
C) 6.28
D) compile-time error