Line 1. public class ClassA { Line 2. public void count(int i) { Line 3. count(++i); Line 4. } Line 5. } And: Line 6. ClassA a = new ClassA(); Line 7. a.count(3); Which exception or error should be thrown by the virtual machine? A. StackOverflowError B. NullPointerException C. NumberFormatException D. IllegalArgumentException E. ExceptionlnlnitializerError