using ---

Question 1

relationship in which the object “is a” concrete example of the class

Answer 1

Is-a relationship

Question 2

• ______ – an object of a class.

Answer 2

Instantiation

Question 3

• The concept of a class is useful because of its ______

Answer 3

reusability

Question 4

are data components of a class to help them distinguish from the other variables.

Answer 4

Data Fields

Question 5

• _______ – nonstatic field so that each object instantiation has one copy.

Answer 5

Instance variable

Question 6

• ______ – is the principle in creating private access.
• an important component of Object-Oriented
  programs.

Answer 6

Information hiding

Question 7

• Two types of instance method:

Answer 7

setters and getters

Question 8

• Two types of instance method:

Answer 8

1. Setters (mutator methods) – starts with the prefix ‘set’
2. Getters (Access methods) – starts with the prefix ‘get’

Question 9

• ______ - is a database term for unique identifier.

Answer 9

Primary Key

Question 10

Two-step process in creating an object that is an instance of a class:

Answer 10

1. Supply a type and identifier.
2. Allocate computer memory for the object.

Question 11

_______ – establishes an object.
- it should be the same name as the class.

Answer 11

Constructor

Question 12

– is created automatically by the java compiler for any class that has no its own constructor.

Answer 12

Default constructor