Software Testing

(a) Explain why some items of the code inspection checklist should be decided during the Quality Planning activity and not before. (b) Argue for or against declaring variables using interfaces rather than concrete classes. When should it be included in an inspection checklist? When should it not be included? (c) Argue for or against scoping variables as private rather than public or protected. When should it be included in an inspection checklist? When should it not be included