Chapter 8 - Objects and Classes

Question 1

A programmer-defined data type.

Answer 1

class

Question 2

The features (methods, variables, and nested types) of a class that are accessible to all clients.

Answer 2

public interface

Question 3

The hiding of implementation details.

Answer 3

encapsulation

Question 4

A variable defined in a class for which every object of the class has its own value.

Answer 4

instance variables

Question 5

A reserved word that indicates the accessibility of a feature, such as private or public.

Answer 5

modifier

Question 6

A named set of values and the operations that can be carried out with them.

Answer 6

type

Question 7

A method with an implicit parameter; that is, a method that is invoked on an instance of a class.

Answer 7

instance methods

Question 8

The features (methods, variables, and nested types) of a class that are accessible to all clients.

Answer 8

public interface

Question 9

A method that changes the state of an object.

Answer 9

mutator

Question 10

A method that accesses an object but does not change it.

Answer 10

accessor

Question 11

A variable defined in a class for which every object of the class has its own value.

Answer 11

instance variable

Question 12

The object on which a method is invoked. For example, in the call x.f(y), the object x is the implicit parameter of the method f.

Answer 12

implicit parameter

Question 13

A parameter of a method other than the object on which the method is invoked.

Answer 13

explicit parameter

Question 14

A sequence of statements for initializing a newly instantiated object.

Answer 14

constructor

Question 15

Giving more than one meaning to a method name.

Answer 15

overloaded

Question 16

N/A

Answer 16

unit testing

Question 17

A value that denotes the location of an object in memory. In Java, a variable whose type is a class contains a reference to an object of that class.

Answer 17

object reference

Question 18

A variable defined in a class that has only one value for the whole class, and which can be accessed and changed by any method of that class.

Answer 18

static variable

Question 19

A method with no implicit parameter.

Answer 19

static method

Question 20

Designing a program by discovering objects, their properties, and their relationships.

Answer 20

Object-oriented programming