Ch01 Introduction To Object-Oriented Concepts

Question 1

object-oriented code that includes other code inside

Answer 1

Object wrappers
For example, you can take a structured module and wrap it inside an object to make it look like an object. You can also use object wrappers to wrap functionality such as security features, non-portable hardware features, and so on.

Question 2

In this type of design, the attributes and behaviors are contained within a single object.

Answer 2

object-oriented design

Question 3

In this type of design, the attributes and behaviors are normally separated.

Answer 3

procedural or structured design

Question 4

When properly designed, there is no such thing as _____ _____ in an OO model.

Answer 4

global data

Question 5

Having no global data provides a high amount of _____ _____ in OO systems.

Answer 5

data integrity

Question 6

In OO terminology, data are referred to as _____, and behaviors are referred to as _____.

Answer 6

attributes

methods

Question 7

Restricting access to certain attributes and/or methods is called what?

Answer 7

data hiding

Question 8

combining the attributes and methods in the same entity

Answer 8

encapsulation

Question 9

Can you design bad code just as efficiently with OO design as with any other programming methodology?

Answer 9

yes

Question 10

The fundamental advantage of OO programming is that the data and the operations (code) that manipulate the data are both _____ in the object.

For example, when an object is transported across a network, the entire object, including the data and behavior, goes with it.

Answer 10

encapsulated

Question 11

What are the building blocks of an OO program?

Answer 11

Objects

Question 12

A program that uses OO technology is basically a collection of _____.

Answer 12

objects

Question 13

The _____ of an object is what the object can do.

Answer 13

behavior

Question 14

In procedural languages, behavior is defined by _____, _____, and _____.

Answer 14

procedures, functions, and subroutines

Question 15

In OO programming terminology, behaviors are contained in _____.

Answer 15

methods

Question 16

you invoke a method by sending a _____ to it.

Answer 16

message

Question 17

The concept of getters and setters supports the concept of _____ _____.

Answer 17

data hiding

Because other objects should not directly manipulate data within another object, the getters and setters provide controlled access to an object’s data.

Question 18

Getters and setters are sometimes called _____ methods and _____ methods, respectively.

Answer 18

accessor

mutator

Question 19

we are only showing the interface of the methods, and not the _____.

Answer 19

implementation

Question 20

The following information is all the user needs to know to effectively use the methods: 

• The _____ of the method 
• The _____ passed to the method 
• The _____ _____ of the method

Answer 20

• name
• parameters
• return type