Question 1

Which of the following statements about class attributes is true?

Accepted Answer

A) An attribute always corresponds to an instance variable of the class. 
B) An attribute is an externally observable property that objects of the class have. 
C) An attribute is used to represent aggregation with another class. 
D) Attributes cannot be represented in UML diagrams. 
A) An attribute always corresponds to an instance variable of the class. 
B) An attribute is an externally observable property that objects of the class have. 
C) An attribute is used to represent aggregation with another class. 
D) Attributes cannot be represented in UML diagrams.

Question 2

In a UML diagram, aggregation is denoted by ____.

Accepted Answer

A) A solid line with a diamond-shaped symbol next to the aggregating class. 
B) An arrow with an open triangle pointing to the aggregating class. 
C) A dotted line with a diamond-shaped symbol next to the aggregating class. 
D) A dotted line with an open arrow tip pointing to the aggregating class. 
A) A solid line with a diamond-shaped symbol next to the aggregating class. 
B) An arrow with an open triangle pointing to the aggregating class. 
C) A dotted line with a diamond-shaped symbol next to the aggregating class. 
D) A dotted line with an open arrow tip pointing to the aggregating class.

Question 3

When you begin designing a program, you work from a ____, a description of what your program should do.

Accepted Answer

A) Requirements specification 
B) Blueprint 
C) UML Diagram 
D) Recipe 
A) Requirements specification 
B) Blueprint 
C) UML Diagram 
D) Recipe

Question 4

You have determined a need for an Employee class and a TemporaryEmployee class in your program.Which relationship is most appropriate between these classes?

Accepted Answer

A) Inheritance 
B) Aggregation 
C) Dependency 
D) Interface implementation 
A) Inheritance 
B) Aggregation 
C) Dependency 
D) Interface implementation

Which of the following statements about class attributes is true?

In a UML diagram, aggregation is denoted by ____.

When you begin designing a program, you work from a ____, a description of what your program should do.

You have determined a need for an Employee class and a TemporaryEmployee class in your program.Which relationship is most appropriate between these classes?

Introduction

Using Objects

Implementing Classes

Fundamental Data Types

Decisions

Loops

Arrays and Array Lists

Designing Classes

Inheritance

Interfaces

Input/Output and Exception Handling

Recursion

Sorting and Searching

The Java Collections Framework

Basic Data Structures

Tree Structures

Generic Classes

Stream Processing

Graphical User Interfaces

Advanced Input/Output

Multithreading

Internet Networking

Relational Databases

XML

Filters

Exam 12: Object-Oriented Design

Which of the following statements about class attributes is true?

In a UML diagram, aggregation is denoted by ____.

When you begin designing a program, you work from a ____, a description of what your program should do.

You have determined a need for an Employee class and a TemporaryEmployee class in your program.Which relationship is most appropriate between these classes?

Introduction

Using Objects

Implementing Classes

Fundamental Data Types

Decisions

Loops

Arrays and Array Lists

Designing Classes

Inheritance

Interfaces

Input/Output and Exception Handling

Recursion

Sorting and Searching

The Java Collections Framework

Basic Data Structures

Tree Structures

Generic Classes

Stream Processing

Graphical User Interfaces

Advanced Input/Output

Multithreading

Internet Networking

Relational Databases

XML

Filters