Question 1

Match between columns
                        Premises: Contains the Object class

Accepted Answer

The Answer of collision and interface and lambda expression and is...

Question 2

A(n) ____ looks much like a class, except that all of its methods (if any) are implicitly public and abstract.

Accepted Answer

A)  hash code 
B)  package 
C)  collision 
D)  interface 
A)  hash code 
B)  package 
C)  collision 
D)  interface

Question 3

When you create classes for others to use, why would you not want to provide the users with your source code in the files with .java extensions?

Accepted Answer

When you create professional classes for

Question 4

Why do many programmers consider multiple inheritance to be a difficult concept?

Accepted Answer

Many programmers consider multiple inher

Question 5

Abstract classes and interfaces are similar in that you cannot instantiate concrete objects from either one.

Accepted Answer

A) True 
 B)False

Question 6

An array can be created to reserve space for references to objects. Using the code above, explain how an array of superclass references can hold subclass references.

Accepted Answer

The Animal[] animalRef = new Animal[3];

Question 7

Match between columns
                        Premises: Creates an object that implements a functional interface

Accepted Answer

The Answer of nonabstract method and hash code and interface is...

Question 8

Match between columns
                        Premises: Data fields in an interface

Accepted Answer

The Answer of dynamic method binding and functional interface and is...

Question 9

Match between columns
                        Premises: The correct subclass method is attached to the application

Accepted Answer

The Answer of multiple inheritance and JAR file and virtual is...

Question 10

When you define a class, if you do not explicitly extend another class, your class is an extension of the ____ class.

Accepted Answer

A)  Object 
B)  super 
C)  public 
D)  abstract 
A)  Object 
B)  super 
C)  public 
D)  abstract

Question 11

If Java did not allow you to ____ classes, you would need to create every part of a program from scratch.

Accepted Answer

A)  extend 
B)  override 
C)  abstract 
D)  import 
A)  extend 
B)  override 
C)  abstract 
D)  import

Question 12

Match between columns
                        Premises: Contains just one abstract method

Accepted Answer

The Answer of interface and concrete class and equals() method is...

Question 13

What is dynamic method binding and why is it used?

Accepted Answer

An application's ability to  select the

Question 14

You sometimes create an abstract class only so you can ____ it to another class.

Accepted Answer

A)  link 
B)  copy 
C)  extend 
D)  abstract 
A)  link 
B)  copy 
C)  extend 
D)  abstract

Question 15

When you assign a variable or constant of one type to a variable of another type, the behavior is called ____.

Accepted Answer

A)  implicit conversion 
B)  referencing 
C)  dynamic method binding 
D)  containing 
A)  implicit conversion 
B)  referencing 
C)  dynamic method binding 
D)  containing

Question 16

What are the advantages to creating a useful, extendable superclass?

Accepted Answer

* Subclass creators save development tim

Question 17

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

Accepted Answer

Subclass creators save development time

Question 18

Match between columns
                        Premises: similar to a Zip file

Accepted Answer

The Answer of collision and functional interface and concrete class is...

A(n) ____ looks much like a class, except that all of its methods (if any) are implicitly public and abstract.

When you create classes for others to use, why would you not want to provide the users with your source code in the files with .java extensions?

Why do many programmers consider multiple inheritance to be a difficult concept?

Abstract classes and interfaces are similar in that you cannot instantiate concrete objects from either one.

An array can be created to reserve space for references to objects. Using the code above, explain how an array of superclass references can hold subclass references.

When you define a class, if you do not explicitly extend another class, your class is an extension of the ____ class.

If Java did not allow you to ____ classes, you would need to create every part of a program from scratch.

What is dynamic method binding and why is it used?

You sometimes create an abstract class only so you can ____ it to another class.

When you assign a variable or constant of one type to a variable of another type, the behavior is called ____.

What are the advantages to creating a useful, extendable superclass?

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

Creating Your First Java Classes

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

Using Javafx and Scene Builder

Filters

Exam 11: Advanced Inheritance Concepts

A(n) ____ looks much like a class, except that all of its methods (if any) are implicitly public and abstract.

When you create classes for others to use, why would you not want to provide the users with your source code in the files with .java extensions?

Why do many programmers consider multiple inheritance to be a difficult concept?

Abstract classes and interfaces are similar in that you cannot instantiate concrete objects from either one.

An array can be created to reserve space for references to objects. Using the code above, explain how an array of superclass references can hold subclass references.

When you define a class, if you do not explicitly extend another class, your class is an extension of the ____ class.

If Java did not allow you to ____ classes, you would need to create every part of a program from scratch.

What is dynamic method binding and why is it used?

You sometimes create an abstract class only so you can ____ it to another class.

When you assign a variable or constant of one type to a variable of another type, the behavior is called ____.

What are the advantages to creating a useful, extendable superclass?

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

Creating Your First Java Classes

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

Using Javafx and Scene Builder

Filters