For the below descriptions your task is to draw a UML class diagram showing the various interfaces and classes and their relationships. Next simply explain in few sentences all the concepts that you learned from this exercise about inheritance, polymorphism, and interfaces. (Please note that for this exercise, you are not writing any program, but just drawing the UML class diagram. You can either use a diagramming tool or draw them by hand and take a picture and insert into the assignment document.) a. An interface - Monster with a method menace() with return type as void b. An interface - Dangerous Monster which inherits the Monster interface and has a method called destroy() with the void return type. (Note: Just like a class can inherit from another class, an interface can inherit from another interface using the "extends" keyword. c. An interface - Lethal with a method - Kill() with the void return type. d. A class DragonZilla which implements Dangerous Monster. This class does not have any methods of it's own but provides an implementation for the methods from Dangerous Monster. The implementation of these methods simply prints meaning full statements that include the name of the class and method using System.out.println() eg. "DragonZilla can be a menace to children" e. An interface - Vampire that extends Dangerous Monster and Lethal interfaces. This method has its own method - drinkBlood() with return type as void. (Note: An interface can inherit from multiple interfaces but a class can inherit from at most one Class.) f. A class VeryBadVampire that implements Vampire interface. The methods that are inherited would simply provide an implementation that will print the name of the class and name of the method just like in step d.
For the below descriptions your task is to draw a UML class diagram showing the various interfaces and classes and their relationships. Next simply explain in few sentences all the concepts that you learned from this exercise about inheritance, polymorphism, and interfaces. (Please note that for this exercise, you are not writing any program, but just drawing the UML class diagram. You can either use a diagramming tool or draw them by hand and take a picture and insert into the assignment document.) a. An interface - Monster with a method menace() with return type as void b. An interface - Dangerous Monster which inherits the Monster interface and has a method called destroy() with the void return type. (Note: Just like a class can inherit from another class, an interface can inherit from another interface using the "extends" keyword. c. An interface - Lethal with a method - Kill() with the void return type. d. A class DragonZilla which implements Dangerous Monster. This class does not have any methods of it's own but provides an implementation for the methods from Dangerous Monster. The implementation of these methods simply prints meaning full statements that include the name of the class and method using System.out.println() eg. "DragonZilla can be a menace to children" e. An interface - Vampire that extends Dangerous Monster and Lethal interfaces. This method has its own method - drinkBlood() with return type as void. (Note: An interface can inherit from multiple interfaces but a class can inherit from at most one Class.) f. A class VeryBadVampire that implements Vampire interface. The methods that are inherited would simply provide an implementation that will print the name of the class and name of the method just like in step d.
Computer Networking: A Top-Down Approach (7th Edition)
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Transcribed Image Text:# UML Class Diagram Exercise
For the following descriptions, your task is to **draw a UML class diagram** showing the various interfaces and classes and their relationships. Next, briefly explain in a few sentences all the concepts that you learned from this exercise about inheritance, polymorphism, and interfaces.
(Note: Please note that for this exercise, **you are not writing any program**, but just drawing the UML class diagram. You can either use a diagramming tool or draw them by hand and take a picture and insert it into the assignment document.)
### Descriptions to Model:
**a.** An interface `Monster` with a method `menace()` with a return type as void.
**b.** An interface `DangerousMonster` which inherits the `Monster` interface and has a method called `destroy()` with the void return type.
*(Note: Just like a class can inherit from another class, an interface can inherit from another interface using the “extends” keyword.)*
**c.** An interface `Lethal` with a method `kill()` with the void return type.
**d.** A class `DragonZilla` which implements the `DangerousMonster` interface. This class does not have any methods of its own but provides an implementation for the methods from `DangerousMonster`. The implementation of these methods simply prints meaning full statements that include the name of the class and method using `System.out.println()` e.g., “DragonZilla can be a menace to children”.
**e.** An interface `Vampire` that extends `DangerousMonster` and `Lethal` interfaces. This method has its own method `drinkBlood()` with a return type as void.
*(Note: An interface can inherit from multiple interfaces but a class can inherit from at most one class.)*
**f.** A class `VeryBadVampire` that implements the `Vampire` interface. The methods that are inherited would simply provide an implementation that will print the name of the class and the name of the method just like in step d.
### Concepts Explained:
- **Inheritance:** This is a fundamental concept in object-oriented programming (OOP) where a class (or interface) can inherit properties and behaviors (methods) from another class (or interface). This helps promote code reusability and avoids redundancy.
- **Interfaces:** In Java, an interface
![<h1>HorrorShow Class Implementation</h1>
<p>This example demonstrates a class <code>HorrorShow</code> with specific method implementations and interactions. The class showcases the usage of polymorphism by invoking methods on objects of various types that share common base types.</p>
<pre>
<code>
public class HorrorShow
{
// Method 'u' takes a Monster object and calls its menace() method
public static void u(Monster b)
{
b.menace();
}
// Method 'v' takes a DangerousMonster object and calls its menace() and destroy() methods
public static void v(DangerousMonster d)
{
d.menace();
d.destroy();
}
// Method 'w' takes a Lethal object and calls its kill() method
public static void w(Lethal l)
{
l.kill();
}
public static void main(String[] args)
{
DangerousMonster barney = new DragonZilla();
u(barney); // Calls menace() on barney
v(barney); // Calls menace(), destroy() on barney
Vampire vlad = new VeryBadVampire();
u(vlad); // Calls menace() on vlad
v(vlad); // Calls menace(), destroy() on vlad
w(vlad); // Calls kill() on vlad
}
}
</code>
</pre>
<p><strong>Explanation:</strong></p>
<ul>
<li><code>u(Monster b)</code>: This method accepts a parameter of type <code>Monster</code> and calls its <code>menace()</code> method.</li>
<li><code>v(DangerousMonster d)</code>: This method accepts a parameter of type <code>DangerousMonster</code> and calls its <code>menace()</code> and <code>destroy()</code> methods.</li>
<li><code>w(Lethal l)</code>: This method accepts a parameter of type <code>Lethal</code> and calls its <code>kill()</code> method.</li>
</ul>
<p><strong>Main Method:</strong></p>
<ul>
<li>Instantiates a <code>DragonZilla</code> object named <code>barney</code> which](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1f133c63-1716-41d7-8ec5-0f87428512d1%2F1633e20c-64b4-4d2c-b021-44b661dc6626%2F74qxn8_processed.png&w=3840&q=75)
Transcribed Image Text:<h1>HorrorShow Class Implementation</h1>
<p>This example demonstrates a class <code>HorrorShow</code> with specific method implementations and interactions. The class showcases the usage of polymorphism by invoking methods on objects of various types that share common base types.</p>
<pre>
<code>
public class HorrorShow
{
// Method 'u' takes a Monster object and calls its menace() method
public static void u(Monster b)
{
b.menace();
}
// Method 'v' takes a DangerousMonster object and calls its menace() and destroy() methods
public static void v(DangerousMonster d)
{
d.menace();
d.destroy();
}
// Method 'w' takes a Lethal object and calls its kill() method
public static void w(Lethal l)
{
l.kill();
}
public static void main(String[] args)
{
DangerousMonster barney = new DragonZilla();
u(barney); // Calls menace() on barney
v(barney); // Calls menace(), destroy() on barney
Vampire vlad = new VeryBadVampire();
u(vlad); // Calls menace() on vlad
v(vlad); // Calls menace(), destroy() on vlad
w(vlad); // Calls kill() on vlad
}
}
</code>
</pre>
<p><strong>Explanation:</strong></p>
<ul>
<li><code>u(Monster b)</code>: This method accepts a parameter of type <code>Monster</code> and calls its <code>menace()</code> method.</li>
<li><code>v(DangerousMonster d)</code>: This method accepts a parameter of type <code>DangerousMonster</code> and calls its <code>menace()</code> and <code>destroy()</code> methods.</li>
<li><code>w(Lethal l)</code>: This method accepts a parameter of type <code>Lethal</code> and calls its <code>kill()</code> method.</li>
</ul>
<p><strong>Main Method:</strong></p>
<ul>
<li>Instantiates a <code>DragonZilla</code> object named <code>barney</code> which
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