Question 1

Class objects normally have __________ that perform useful operations on their data, but primitive variables do not.

Accepted Answer

A)  fields 
B)  relationships 
C)  methods 
D)  instances 
A)  fields 
B)  relationships 
C)  methods 
D)  instances

Question 2

The term "no-arg constructor" is applied to any constructor that does not accept arguments.

Accepted Answer

A) True 
 B)False

Question 3

After the header, the body of the method appears inside a set of

Accepted Answer

A)  braces, { } 
B)  parentheses, ( ) 
C)  brackets, [ ] 
D)  double quotes, " " 
A)  braces, { } 
B)  parentheses, ( ) 
C)  brackets, [ ] 
D)  double quotes, " "

Question 4

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 5

What is the following statement 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 
A)  an explicit import statement 
B)  an unconditional import statement 
C)  a wildcard import statement 
D)  a conditional import statement

Question 6

For the following code, which statement is not true? 
public class Sphere
{
Private double radius;
Public double x;
Private double y;
Private double z;
}

Accepted Answer

A)  The z field is available to code written outside the Sphere class. 
B)  The radius field is not available to code written outside the Sphere class. 
C)  The radius, x, y, and z fields are members of the Sphere class. 
D)  The x field is available to code that is written outside the Sphere class. 
A)  The z field is available to code written outside the Sphere class. 
B)  The radius field is not available to code written outside the Sphere class. 
C)  The radius, x, y, and z fields are members of the Sphere class. 
D)  The x field is available to code that is written outside the Sphere class.

Question 7

The key word new

Accepted Answer

A)  creates a new class 
B)  creates a new Java byte code file 
C)  creates an object in memory 
D)  creates a new variable in memory 
A)  creates a new class 
B)  creates a new Java byte code file 
C)  creates an object in memory 
D)  creates a new variable in memory

Question 8

What is the following statement an example of? 
import java.util.*;

Accepted Answer

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

Question 9

The java.lang package is automatically imported into all Java programs.

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

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

Question 11

If you do not provide initialization values for a class's numeric fields, they will

Accepted Answer

A)  cause a runtime error 
B)  contain an unknown value 
C)  be automatically initialized to 0 
D)  cause a compiler error 
A)  cause a runtime error 
B)  contain an unknown value 
C)  be automatically initialized to 0 
D)  cause a compiler error

Question 12

The public access specifier for a field indicates that the field may not be accessed by statements outside the class.

Accepted Answer

A) True 
 B)False

Question 13

When a local variable in an instance method has the same name as an instance field, the instance field hides the local variable.

Accepted Answer

A) True 
 B)False

Question 14

Using the blueprint/house analogy, you can think of a class as a blueprint that describes a house and __________ as instances of the house built from the blueprint.

Accepted Answer

A)  methods 
B)  fields 
C)  objects 
D)  attributes 
A)  methods 
B)  fields 
C)  objects 
D)  attributes

Question 15

To indicate the data type of a variable in a UML diagram you specify

Accepted Answer

A)  the variable name followed by the data type 
B)  the class name followed by the variable name followed by the data type 
C)  the variable name followed by a colon and the data type 
D)  the data type followed by the variable name 
A)  the variable name followed by the data type 
B)  the class name followed by the variable name followed by the data type 
C)  the variable name followed by a colon and the data type 
D)  the data type followed by the variable name

Question 16

An access specifier indicates how a class may be accessed.

Accepted Answer

A) True 
 B)False

Question 17

A constructor

Accepted Answer

A)  always accepts two arguments 
B)  has the same name as the class 
C)  has the return type of void 
D)  always has a private access specifier 
A)  always accepts two arguments 
B)  has the same name as the class 
C)  has the return type of void 
D)  always has a private access specifier

Question 18

For the following code, which statement is not true?  
public class Circle
{
Private double radius;
Public double x;
Private double y;
}

Accepted Answer

A)  The y field is available to code written outside the Circle class. 
B)  The radius field is not available to code written outside the Circle class. 
C)  The radius, x, and y fields are members of the Circle class. 
D)  The x field is available to code that is written outside the Circle class. 
A)  The y field is available to code written outside the Circle class. 
B)  The radius field is not available to code written outside the Circle class. 
C)  The radius, x, and y fields are members of the Circle class. 
D)  The x field is available to code that is written outside the Circle class.

Question 19

One or more objects may be created from a(n)

Accepted Answer

A)  field 
B)  method 
C)  instance 
D)  class 
A)  field 
B)  method 
C)  instance 
D)  class

Question 20

UML diagrams do not contain

Accepted Answer

A)  fields 
B)  methods 
C)  class names 
D)  object names 
A)  fields 
B)  methods 
C)  class names 
D)  object names

Class objects normally have __________ that perform useful operations on their data, but primitive variables do not.

The term "no-arg constructor" is applied to any constructor that does not accept arguments.

After the header, the body of the method appears inside a set of

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

What is the following statement an example of? import java.util.Scanner;

For the following code, which statement is not true? public class Sphere { Private double radius; Public double x; Private double y; Private double z; }

The key word new

What is the following statement an example of? import java.util.*;

The java.lang package is automatically imported into all Java programs.

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

If you do not provide initialization values for a class's numeric fields, they will

The public access specifier for a field indicates that the field may not be accessed by statements outside the class.

When a local variable in an instance method has the same name as an instance field, the instance field hides the local variable.

Using the blueprint/house analogy, you can think of a class as a blueprint that describes a house and __________ as instances of the house built from the blueprint.

To indicate the data type of a variable in a UML diagram you specify

An access specifier indicates how a class may be accessed.

A constructor

For the following code, which statement is not true? public class Circle { Private double radius; Public double x; Private double y; }

One or more objects may be created from a(n)

UML diagrams do not contain

Introduction to Computers and Java

Java Fundamentals

Decision Structures

Loops and Files

A Second Look at Classes and Objects

Arrays and the Arraylist Class

Text Processing and Wrapper Classes

Inheritance

Exceptions and Advanced File Io

Java-Fx: Gui Programming and Basic Controls

Java-Fx: Advanced Controls

Java-Fx: Graphics, Effects, and Media

Recursion

Databases

Filters

Exam 3: A First Look at Classes and Objects

Class objects normally have __________ that perform useful operations on their data, but primitive variables do not.

The term "no-arg constructor" is applied to any constructor that does not accept arguments.

After the header, the body of the method appears inside a set of

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

What is the following statement an example of? import java.util.Scanner;

For the following code, which statement is not true? public class Sphere { Private double radius; Public double x; Private double y; Private double z; }

The key word new

What is the following statement an example of? import java.util.*;

The java.lang package is automatically imported into all Java programs.

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

If you do not provide initialization values for a class's numeric fields, they will

The public access specifier for a field indicates that the field may not be accessed by statements outside the class.

When a local variable in an instance method has the same name as an instance field, the instance field hides the local variable.

Using the blueprint/house analogy, you can think of a class as a blueprint that describes a house and __________ as instances of the house built from the blueprint.

To indicate the data type of a variable in a UML diagram you specify

An access specifier indicates how a class may be accessed.

A constructor

For the following code, which statement is not true? public class Circle { Private double radius; Public double x; Private double y; }

One or more objects may be created from a(n)

UML diagrams do not contain

Introduction to Computers and Java

Java Fundamentals

Decision Structures

Loops and Files

A Second Look at Classes and Objects

Arrays and the Arraylist Class

Text Processing and Wrapper Classes

Inheritance

Exceptions and Advanced File Io

Java-Fx: Gui Programming and Basic Controls

Java-Fx: Advanced Controls

Java-Fx: Graphics, Effects, and Media

Recursion

Databases

Filters