Computer Science Create a class diagram for the code below (code is in Java): // The interface Coffee defines the functionality of Coffee implemented by decorator public interface Coffee { public double getCost(); // Returns the cost of the coffee public String getIngredients(); // Returns the ingredients of the coffee } // Extension of a simple coffee without any extra ingredients public class SimpleCoffee implements Coffee { @Override public double getCost() { return 1; } @Override public String getIngredients() { return "Coffee"; } } // Abstract decorator class - note that it implements Coffee interface public abstract class CoffeeDecorator implements Coffee { private final Coffee decoratedCoffee; public CoffeeDecorator(Coffee c) { this.decoratedCoffee = c; } @Override public double getCost() { // Implementing methods of the interface return decoratedCoffee.getCost(); } @Override public String getIngredients() { return decoratedCoffee.getIngredients(); } } // Decorator WithMilk mixes milk into coffee. // Note it extends CoffeeDecorator. class WithMilk extends CoffeeDecorator { public WithMilk(Coffee c) { super(c); } @Override public double getCost() { // Overriding methods defined in the abstract superclass return super.getCost() + 0.5; } @Override public String getIngredients() { return super.getIngredients() + ", Milk"; } } // Decorator WithSprinkles mixes sprinkles onto coffee. // Note it extends CoffeeDecorator. class WithSprinkles extends CoffeeDecorator { public WithSprinkles(Coffee c) { super(c); } @Override public double getCost() { return super.getCost() + 0.2; } @Override public String getIngredients() { return super.getIngredients() + ", Sprinkles"; } } public class Main { public static void printInfo(Coffee c) { System.out.println("Cost: " + c.getCost() + "; Ingredients: " + c.getIngredients()); } public static void main(String[] args) { Coffee c = new SimpleCoffee(); printInfo(c); c = new WithMilk(c); printInfo(c); c = new WithSprinkles(c); printInfo(c); } }

Computer Science Create a class diagram for the code below (code is in Java): // The interface Coffee defines the functionality of Coffee implemented by decorator public interface Coffee { public double getCost(); // Returns the cost of the coffee public String getIngredients(); // Returns the ingredients of the coffee } // Extension of a simple coffee without any extra ingredients public class SimpleCoffee implements Coffee { @Override public double getCost() { return 1; } @Override public String getIngredients() { return "Coffee"; } } // Abstract decorator class - note that it implements Coffee interface public abstract class CoffeeDecorator implements Coffee { private final Coffee decoratedCoffee; public CoffeeDecorator(Coffee c) { this.decoratedCoffee = c; } @Override public double getCost() { // Implementing methods of the interface return decoratedCoffee.getCost(); } @Override public String getIngredients() { return decoratedCoffee.getIngredients(); } } // Decorator WithMilk mixes milk into coffee. // Note it extends CoffeeDecorator. class WithMilk extends CoffeeDecorator { public WithMilk(Coffee c) { super(c); } @Override public double getCost() { // Overriding methods defined in the abstract superclass return super.getCost() + 0.5; } @Override public String getIngredients() { return super.getIngredients() + ", Milk"; } } // Decorator WithSprinkles mixes sprinkles onto coffee. // Note it extends CoffeeDecorator. class WithSprinkles extends CoffeeDecorator { public WithSprinkles(Coffee c) { super(c); } @Override public double getCost() { return super.getCost() + 0.2; } @Override public String getIngredients() { return super.getIngredients() + ", Sprinkles"; } } public class Main { public static void printInfo(Coffee c) { System.out.println("Cost: " + c.getCost() + "; Ingredients: " + c.getIngredients()); } public static void main(String[] args) { Coffee c = new SimpleCoffee(); printInfo(c); c = new WithMilk(c); printInfo(c); c = new WithSprinkles(c); printInfo(c); } }

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Computer Science

Create a class diagram for the code below (code is in Java):

// The interface Coffee defines the functionality of Coffee implemented by decorator public interface Coffee { public double getCost(); // Returns the cost of the coffee public String getIngredients(); // Returns the ingredients of the coffee } // Extension of a simple coffee without any extra ingredients public class SimpleCoffee implements Coffee { @Override public double getCost() { return 1; } @Override public String getIngredients() { return "Coffee"; } }

// Abstract decorator class - note that it implements Coffee interface public abstract class CoffeeDecorator implements Coffee { private final Coffee decoratedCoffee; public CoffeeDecorator(Coffee c) { this.decoratedCoffee = c; } @Override public double getCost() { // Implementing methods of the interface return decoratedCoffee.getCost(); } @Override public String getIngredients() { return decoratedCoffee.getIngredients(); } } // Decorator WithMilk mixes milk into coffee. // Note it extends CoffeeDecorator. class WithMilk extends CoffeeDecorator { public WithMilk(Coffee c) { super(c); } @Override public double getCost() { // Overriding methods defined in the abstract superclass return super.getCost() + 0.5; } @Override public String getIngredients() { return super.getIngredients() + ", Milk"; } } // Decorator WithSprinkles mixes sprinkles onto coffee. // Note it extends CoffeeDecorator. class WithSprinkles extends CoffeeDecorator { public WithSprinkles(Coffee c) { super(c); } @Override public double getCost() { return super.getCost() + 0.2; } @Override public String getIngredients() { return super.getIngredients() + ", Sprinkles"; } }

public class Main { public static void printInfo(Coffee c) { System.out.println("Cost: " + c.getCost() + "; Ingredients: " + c.getIngredients()); } public static void main(String[] args) { Coffee c = new SimpleCoffee(); printInfo(c); c = new WithMilk(c); printInfo(c); c = new WithSprinkles(c); printInfo(c); } }

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