Unit 6

Question 1

The process of developing software based onm the notion of contracts between objects is called ______ __ ________ (___)

Answer 1

Design by Contract (DbC)

Question 2

_________ is another name for a precondition, postcondition, or invariant

Answer 2

Assertion

Question 3

Look at the following when searching for possible postconditions for an operation:

• intstances of a _____ that have been created or deleted
• instances of ____________ that have been formed or broken
• __________ that have been modified

Answer 3

class

associations

attributes

Question 4

Use case ___________ is an activity that consists of linking the use cases to the classes which are going to carry them through

Answer 4

realisation

Question 5

The modelling of behaviour as opposed to structure is called _______ modelling

Answer 5

dynamic

Question 6

GRASP stands for g______ r_____________ a__________ s_______ p_______

Answer 6

general responsibility assignment software patterns

Question 7

GRASP ______ provides guidance on which class should be responsible for initialising or changing the state of an object while GRASP ______ provides guidance on which class should be responsible for creating new objects.

Answer 7

expert

creator

Question 8

An object representing the general case ratehr than a specific instance is referred to as a ____________ object.

Answer 8

prototypical

Question 9

The ability to traverse one or more associations to obtain the object or set of objects associated with an instance of a class through those associations is called ____________

Answer 9

navigability