What one of the following is best practice to handle Null Pointer exception? i) int noOfStudents = line.listStudents().count; ii) int noOfStudents = getCountOfStudents(line); public int getCountOfStudents(List line) { if(line != null) { if(line.listOfStudents() != null) { return line.listOfStudents().size(); } } throw new NullPointerException("List is empty"); }

• A. Option (i)
• B. Option (ii)
• C. Compilation Error
• D. Option (ii) gives incorrect result