16. A negative sign (-) indicates that a method is __________ a. Public c. Primary key b. Private d. None of the answers

17. (T/F) Object responsibility is a design principle in which parts of a system that are unlikely to change are segregated from those that will.

18. (T/F) With object-oriented design (OOD), the design models are extensions of the analysis models.

19. The term used to describe whether an attribute can be directly accessed by another object (class) or if its restricted is _____________________________

20. Which of the following is the correct notation for a method signature in a design class? a. visibility name: type-expression {parameter list} b. name: class-name (parameter list):return data type c. visibility class-name: name: return data type {parameter list} d. visibility name(parameter list): return data type