Chapter 6

Question 1

accessor

Answer 1

A method used to examine an attribute of an object without changing it. (188)

Question 2

actual parameter

Answer 2

A variable or expression contained in a method call and passed to that method. (205)

Question 3

behavior

Answer 3

The set of actions that a class of objects supports. (186)

Question 4

constructor

Answer 4

A method that creates a new instance of a class. (188)

Question 5

encapsulation

Answer 5

The combining of data and behavior into a single software package. (186)

Question 6

helper method

Answer 6

A method used within the implementation of a class but not used by clients of that class. (207)

Question 7

identity

Answer 7

The property of an object that it is the same thing at different points in time, even though the values of its attributes might change. (186)

Question 8

instantiation

Answer 8

The process of creating a new object. (186)

Question 9

lifetime

Answer 9

The period during which a variable can be used. (205)

Question 10

mutator

Answer 10

A method used to change the value of an attribute of an object. (188)

Question 11

scope

Answer 11

The largest area of program text in which an identifier is available. (204)

Question 12

state

Answer 12

The set of all the values of the variables of a program at any point during its execution. (186)

Question 13

visibility modifier

Answer 13

A symbol (public or private) that specifies the kind of access that clients have to a class’s data and methods. (193)