Question 1

Match each term with the correct statement below.
-The javac command to specify a directory

Accepted Answer

A) dynamic method binding 
B) collision 
C) GregorianCalendar 
D) multiple inheritance 
E) equals() method
F)-d option
G)java.lang
H)public, static, and final
I)interface 
A) dynamic method binding 
B) collision 
C) GregorianCalendar 
D) multiple inheritance 
E) equals() method
F)-d option
G)java.lang
H)public, static, and final
I)interface

Question 2

Classes, such as the String class, have their own equals() methods that overload the ____ class method.

Accepted Answer

A)  Object 
B)  Public 
C)  Abstract 
D)  Child 
A)  Object 
B)  Public 
C)  Abstract 
D)  Child

Question 3

____ provides a calculated hexadecimal number that is used to identify an object.

Accepted Answer

A)  Method binding 
B)  A hash code 
C)  Implicit conversion 
D)  Ad-hoc polymorphism 
A)  Method binding 
B)  A hash code 
C)  Implicit conversion 
D)  Ad-hoc polymorphism

Question 4

Which of the following is NOT true regarding abstract methods?

Accepted Answer

A)  Abstract methods must be implemented in child classes. 
B)  Abstract methods have no body. 
C)  Abstract methods use the abstract keyword in declarations. 
D)  Abstract methods are inherited by their children. 
A)  Abstract methods must be implemented in child classes. 
B)  Abstract methods have no body. 
C)  Abstract methods use the abstract keyword in declarations. 
D)  Abstract methods are inherited by their children.

Question 5

public class Animal
{
}
public class Animal extends Object
{
}
The two class declarations above have identical outcomes. Explains why this is the case.

Accepted Answer

Every class in Java is actually a subcla

Question 6

public class CarReference
{
public static void main(String[] args)
{
Car carRef;
____
carRef.color();
}
}
Suppose you have created a Car class and Honda and Ford subclasses. Using the above code, complete the highlighted statement to create a new Honda object that is assigned to the Car reference.

Accepted Answer

carRef = n

Question 7

The capability to inherit from more than one class is called ____.

Accepted Answer

A)  multiple inheritance 
B)  collision 
C)  polyinheritance 
D)  dynamic method binding 
A)  multiple inheritance 
B)  collision 
C)  polyinheritance 
D)  dynamic method binding

Question 8

Match each term with the correct statement below.
-Data fields in an interface

Accepted Answer

A) dynamic method binding 
B) collision 
C) GregorianCalendar 
D) multiple inheritance 
E) equals() method
F)-d option
G)java.lang
H)public, static, and final
I)interface 
A) dynamic method binding 
B) collision 
C) GregorianCalendar 
D) multiple inheritance 
E) equals() method
F)-d option
G)java.lang
H)public, static, and final
I)interface

Question 9

A(n) ____ is not an object, but it points to a memory address.

Accepted Answer

A)  abstract class 
B)  reference 
C)  extend 
D)  interface 
A)  abstract class 
B)  reference 
C)  extend 
D)  interface

Question 10

When you create a useful, extendable superclass, you and other future programmers gain what advantages?

Accepted Answer

Subclass creators save development time

Question 11

Nonabstract classes from which objects can be instantiated are called constant classes.

Accepted Answer

A) True 
 B)False

Question 12

If you attempt to instantiate an object from an abstract class, you receive an error message from the compiler that you have committed a(n) ____.

Accepted Answer

A)  LogicError 
B)  InstantiationError 
C)  SyntaxError 
D)  ObjectError 
A)  LogicError 
B)  InstantiationError 
C)  SyntaxError 
D)  ObjectError

Question 13

An application's ability to select the correct subclass method is known as ____.

Accepted Answer

A)  implementing methods 
B)  dynamic method binding 
C)  implicit casting 
D)  method fixing 
A)  implementing methods 
B)  dynamic method binding 
C)  implicit casting 
D)  method fixing

Question 14

If you do not specify a package for a class, it is placed in an unnamed ____ package.

Accepted Answer

A)  system 
B)  language 
C)  default 
D)  general 
A)  system 
B)  language 
C)  default 
D)  general

Question 15

How is the Object class equals() method implemented?

Accepted Answer

The Object class equals() method returns

Question 16

public abstract class Shape
{
private int length;
private int width;
private int height;
____
}
Using the above code, create the statement in the shaded line that will create an abstract calculateArea() method in the abstract Shape class.

Accepted Answer

public abs

Question 17

Describe the two method types programmers of an abstract class can include.

Accepted Answer

* Nonabstract methods, like those you ca

Question 18

When you create a class and use the implements clause to implement an interface but fail to code one of the interface's methods, the compiler error generated indicates that you must declare your class to be ____.

Accepted Answer

A)  abstract 
B)  static 
C)  public 
D)  related 
A)  abstract 
B)  static 
C)  public 
D)  related

Question 19

A class that will be placed in a nondefault package for others to use must be private.

Accepted Answer

A) True 
 B)False

Question 20

If you provide an empty method within an abstract class, the method is an abstract method even if you do not explicitly use the keyword ____________________ when defining the method.

Accepted Answer

The answer of If you provide an empty method within...

Match each term with the correct statement below. -The javac command to specify a directory

Classes, such as the String class, have their own equals() methods that overload the ____ class method.

____ provides a calculated hexadecimal number that is used to identify an object.

Which of the following is NOT true regarding abstract methods?

public class Animal { } public class Animal extends Object { } The two class declarations above have identical outcomes. Explains why this is the case.

public class CarReference { public static void main(String[] args) { Car carRef; ____ carRef.color(); } } Suppose you have created a Car class and Honda and Ford subclasses. Using the above code, complete the highlighted statement to create a new Honda object that is assigned to the Car reference.

The capability to inherit from more than one class is called ____.

Match each term with the correct statement below. -Data fields in an interface

A(n) ____ is not an object, but it points to a memory address.

When you create a useful, extendable superclass, you and other future programmers gain what advantages?

Nonabstract classes from which objects can be instantiated are called constant classes.

If you attempt to instantiate an object from an abstract class, you receive an error message from the compiler that you have committed a(n) ____.

An application's ability to select the correct subclass method is known as ____.

If you do not specify a package for a class, it is placed in an unnamed ____ package.

How is the Object class equals() method implemented?

public abstract class Shape { private int length; private int width; private int height; ____ } Using the above code, create the statement in the shaded line that will create an abstract calculateArea() method in the abstract Shape class.

Describe the two method types programmers of an abstract class can include.

When you create a class and use the implements clause to implement an interface but fail to code one of the interface's methods, the compiler error generated indicates that you must declare your class to be ____.

A class that will be placed in a nondefault package for others to use must be private.

If you provide an empty method within an abstract class, the method is an abstract method even if you do not explicitly use the keyword ____________________ when defining the method.

Creating Java Programs

Using Data

Using Methods, Classes, and Objects

More Object Concepts

Making Decisions

Looping

Characters, Strings, and the Stringbuilder

Arrays

Advanced Array Concepts

Introduction to Inheritance

Exception Handling

File Input and Output

Introduction to Swing Components

Advanced Gui Topics

Graphics

Applets, Images, and Sound

Filters

Exam 11: Advanced Inheritance Concepts

Match each term with the correct statement below. -The javac command to specify a directory

Classes, such as the String class, have their own equals() methods that overload the ____ class method.

____ provides a calculated hexadecimal number that is used to identify an object.

Which of the following is NOT true regarding abstract methods?

public class Animal { } public class Animal extends Object { } The two class declarations above have identical outcomes. Explains why this is the case.

public class CarReference { public static void main(String[] args) { Car carRef; ____ carRef.color(); } } Suppose you have created a Car class and Honda and Ford subclasses. Using the above code, complete the highlighted statement to create a new Honda object that is assigned to the Car reference.

The capability to inherit from more than one class is called ____.

Match each term with the correct statement below. -Data fields in an interface

A(n) ____ is not an object, but it points to a memory address.

When you create a useful, extendable superclass, you and other future programmers gain what advantages?

Nonabstract classes from which objects can be instantiated are called constant classes.

If you attempt to instantiate an object from an abstract class, you receive an error message from the compiler that you have committed a(n) ____.

An application's ability to select the correct subclass method is known as ____.

If you do not specify a package for a class, it is placed in an unnamed ____ package.

How is the Object class equals() method implemented?

public abstract class Shape { private int length; private int width; private int height; ____ } Using the above code, create the statement in the shaded line that will create an abstract calculateArea() method in the abstract Shape class.

Describe the two method types programmers of an abstract class can include.

When you create a class and use the implements clause to implement an interface but fail to code one of the interface's methods, the compiler error generated indicates that you must declare your class to be ____.

A class that will be placed in a nondefault package for others to use must be private.

If you provide an empty method within an abstract class, the method is an abstract method even if you do not explicitly use the keyword ____________________ when defining the method.

Creating Java Programs

Using Data

Using Methods, Classes, and Objects

More Object Concepts

Making Decisions

Looping

Characters, Strings, and the Stringbuilder

Arrays

Advanced Array Concepts

Introduction to Inheritance

Exception Handling

File Input and Output

Introduction to Swing Components

Advanced Gui Topics

Graphics

Applets, Images, and Sound

Filters