Question 1 3 pts (TCO 6) A design class must be fully specified: all attributes

Question

Question 1
3 pts
(TCO 6) A design class must be fully specified:

all attributes must be complete

all operations must be complete

all attributes and operations (including return types and parameter lists) must be complete

None of these

Question 2
3 pts
(TCO 6) Design models are made up of:

design subsystems and design classes;

interfaces;

use case realizations – design and deployment diagram.

All of these

None of these

Question 3
3 pts
(TCO 6) Analysis views are invaluable for:

introducing new people to the project;

understanding the system months or years after delivery;

understanding how the system satisfies user requirements;

All of these

None of these

Question 4
3 pts
(TCO 6) With design classes, you have to specify exactly how each class will fulfill its responsibilities. To do this, you must do the following:

complete the set of attributes and fully specify them including name, type, visibility, and (optionally) a default value;

complete the set of operations and fully specify them including name, parameter list, and return type.

Both a and b

None of these

Question 5
3 pts
(TCO 6) Inheritance has certain undesirable characteristics.

It is the strongest form of coupling possible between two or more classes.

Encapsulation is weak within a class hierarchy.

It is a very inflexible type of relationship.

All of these

None of these

Question 6
3 pts
(TCO 6) With interface realization you get:

an interface – a set of public operations, attributes and relationships that have no implementation.

interface – the public operations of the base classes;

implementation – the attributes, relationships, protected and private operations of the base classes.

All of these

None of these

Question 7
3 pts
(TCO 6) Nested classes allow:

you define a class inside another class;

the nested class exists in the namespace of the outer class – only the outer class can create and use instances of the nested class;

nested classes are known as inner classes in Java, and are used extensively for event handling in GUI classes.

All of these

None of these

Question 8
3 pts
(TCO 6) There are pertinent levels of encapsulation that we need to address in class and method design.

Level 0 encapsulation is the encapsulation realized by each line of code, which is basically none, or zero encapsulation.

Level 1 encapsulation is the level of encapsulation achieved by combining the individual lines of code into a method.

Level 2 encapsulation is the level of encapsulation achieved by grouping attributes and operations into a class.

All of these

None of these

Question 9
3 pts
(TCO 6) Cohesion is one of the most desirable features of a(n) _____.

inheritance

method

object

class

Question 10
3 pts
(TCO 6) The system architecture is compromise when coupling is between ________.

interactions

objects

data

subsystems

Explanation / Answer

1).All attributes and operations (including return types and parameter lists) must be complete.

2).All of these

Interface permits to duple a system which is capable to eveolve in parallel.

3).All of these

It is also invaluable for Offering the needs tracebility .

4).Both a and b

5).All of these

6).An interface – a set of public operations, attributes and relationships that have no implementation.

[ interface – the public operations of the base classes;

implementation – the attributes, relationships, protected and private operations of the base classes.... are related to the inheritance concepts ]

7).All of these

8).All of these

9).class

Cohesion classes are usually simple to comprehend and sustain.

10).subsystems

coupling is a power of province in a system.

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