Question 1

A method that gets a value from a class's field but does not change it is known as a mutator method.

Accepted Answer

A) True 
 B)False

Question 2

A group of related classes is called a(n) __________.

Accepted Answer

A)  archive 
B)  package 
C)  collection 
D)  attachment

Question 3

Another term for an object of a class is a(n) __________.

Accepted Answer

A)  access specifier 
B)  instance 
C)  member 
D)  method

Question 4

When an object is passed as an argument to a method, the object's address is passed into the method's parameter variable.

Accepted Answer

A) True 
 B)False

Question 5

Instance methods do not have the __________ key word in their headers.

Accepted Answer

A)  public 
B)  static 
C)  private 
D)  protected

Question 6

A constructor is a method that __________.

Accepted Answer

A)  returns an object of the class 
B)  never receives any arguments 
C)  performs initialization or setup operations 
D)  removes the object from memory

Question 7

Most of the programming languages used today are __________.

Accepted Answer

A)  procedural 
B)  top-down 
C)  object-oriented 
D)  functional

Question 8

Instance methods do not have the key word static in their headers.

Accepted Answer

A) True 
 B)False

Question 9

A(n) __________ can be thought of as a blueprint that can be used to create a type of __________.

Accepted Answer

A)  object, class 
B)  class, object 
C)  cookie, cake 
D)  object, method

Question 10

Methods that operate on an object's fields are called __________.

Accepted Answer

A)  instance variables 
B)  instance methods 
C)  public methods 
D)  private methods

Question 11

A class specifies the __________ and __________ that a particular type of object has.

Accepted Answer

A)  relationships, methods 
B)  fields, object names 
C)  fields, methods 
D)  relationships, object names

Question 12

An access specifier indicates how a class may be accessed.

Accepted Answer

A) True 
 B)False

Question 13

Given the following code, what will be the value of finalAmount when it is displayed? 
public class Order
{
Private int orderNum;
Private double orderAmount;
Private double orderDiscount;
Public Order(int orderNumber, double orderAmt,
Double orderDisc)
{
OrderNum = orderNumber;
OrderAmount = orderAmt;
OrderDiscount = orderDisc;
}
Public int getOrderAmount()
{
Return orderAmount;
}
Public int getOrderDisc()
{
Return orderDisc;
}
}
Public class CustomerOrder
{
Public static void main(String[] args)
{
Int ordNum = 1234;
Double ordAmount = 580.00;
Double discountPer = .1;
Order order;
Double finalAmount = order.getOrderAmount() -
Order.getOrderAmount() * order.getOrderDisc();
System.out.printf("Final order amount = $%,.2f
",
FinalAmount);
}
}

Accepted Answer

A)  528.00 
B)  580.00 
C)  There is no value because the constructor has an error. 
D)  There is no value because the object, order, has not been created.

Question 14

The following statement is an example of __________. 
import java.util.Scanner;

Accepted Answer

A)  an explicit import statement 
B)  an unconditional import statement 
C)  a wildcard import statement 
D)  a conditional import statement

Question 15

Overloading means that multiple methods in the same class __________.

Accepted Answer

A)  have the same name but different return types 
B)  have different names but the same parameter list 
C)  have the same name but different parameter lists 
D)  perform the same function

Question 16

When an object is created, the attributes associated with the object are called __________.

Accepted Answer

A)  instance fields 
B)  class instances 
C)  instance methods 
D)  fixed attributes

Question 17

A class's responsibilities include __________.

Accepted Answer

A)  the things a class is responsible for knowing 
B)  the things a class is responsible for doing 
C)  both of these 
D)  neither of these

Question 18

Instance methods should be declared static.

Accepted Answer

A) True 
 B)False

Exam 6: A First Look at Classes

A method that gets a value from a class's field but does not change it is known as a mutator method.

A group of related classes is called a(n) __________.

Another term for an object of a class is a(n) __________.

When an object is passed as an argument to a method, the object's address is passed into the method's parameter variable.

Instance methods do not have the __________ key word in their headers.

A constructor is a method that __________.

Most of the programming languages used today are __________.

Instance methods do not have the key word static in their headers.

A(n) can be thought of as a blueprint that can be used to create a type of .

Methods that operate on an object's fields are called __________.

A class specifies the and that a particular type of object has.

An access specifier indicates how a class may be accessed.

The following statement is an example of __________. import java.util.Scanner;

Overloading means that multiple methods in the same class __________.

When an object is created, the attributes associated with the object are called __________.

A class's responsibilities include __________.

Instance methods should be declared static.