Question

Here is an outline for some code I need to write. This class used Intro to Java Edition 11, and we only got to Chapter 9. There is no set right way that this program has to be done. Feel free to interpret this in a way that you wish.

Mrs. Quackenbush is back! She now has bought a beverage establishment, The Green Dragon Inn, and needs to have a way to insure the consistency of the drinks her employees serve. Your company has the task of providing a user-friendly way for Mrs. Q's customers to receive the same high quality at each visit. This program is a kind of evaluation of what you have learned this semester, so you should be careful to insure user-friendliness and programmer-friendliness throughout.  

• Create a parent (super class) for Beverages
• Create a child (subclass) for Drinks you wish the Green Dragon to sell. (could be a bar, coffee shop, malt shop, etc.)
• Create an ARRAY of Drinks to hold the recipes for the drinks sold..

Thanks!

Answer 1

public class Beverage {
  
   private String name;
   private double price;
  
   // constructors

   public Beverage(String name, double price) {
       this.name = name;
       this.price = price;
   }
  
   public Beverage(String name) {
       this.name = name;
       this.price = 0;
   }
  
  
   // getters and setters
   public String getName() {
       return name;
   }
   public double getPrice() {
       return price;
   }
   public void setName(String name) {
       this.name = name;
   }
   public void setPrice(double price) {
       this.price = price;
   }
  
   // toString - for display
   public String toString() {
       return "Beverage (name: " + name + ", price: $" + price + ")";
   }

}

_________________________________

public class Coffee extends Beverage {
   private String flavour;
  
   // constructors
   public Coffee(String name, double price, String flavour) {
       super(name, price);        // Beverage
       this.flavour = flavour;
      
   }

   public Coffee(String name, String flavour) {
       super(name);                // Beverage
       this.flavour = flavour;
      
   }

   // getter and setter
   public String getFlavour() {
       return flavour;
   }

   public void setType(String flavour) {
       this.flavour = flavour;
   }
  
   // toString - for display
   public String toString() {
       return "Coffee (Name: " + getName() + ", Flavour: " + flavour + ", price: $" + getPrice() + ")";
   }
  

}

______________________________

public class Tea extends Beverage {
   private String spice;
  
   // constructors
   public Tea(String name, double price) {
       super(name, price);           // Beverage
       this.spice = "none";
   }
  
   public Tea(String name, double price,String spice) {
       super(name, price);           // Beverage
       this.spice = spice;
   }
  
   public Tea(String name) {
       super(name);               // Beverage
       this.spice = "none";
   }

   public Tea(String name, String spice) {
       super(name);
       this.spice = spice;
   }
  
   // getter and setter
   public String getSpice() {
       return spice;
   }

   public void setSpice(String spice) {
       this.spice = spice;
   }
  
   // toString - for display
   public String toString() {
       return "Tea (Name: " + getName() + ", Spice: " + spice + ", price: $" + getPrice() + ")";
   }

}

______________________________

// Driver program to apply the three classes Beverage,Coffee and Tea

public class GreenDragon {

   public static void main(String[] args) {
      
       // An array drinks to hold the recipes for the drinks sold
       Beverage drinks[] = { new Coffee("Arabica",50,"Vanilla"),
               new Coffee("Robusta",45," Caramel Macchiato"),
               new Tea("Oolong",30,"Ginger")};
      
       // display using loop
       System.out.println("---------GREEN DRAGON TODAY---------");
       for(int i=0; i<drinks.length; i++)
           System.out.println(drinks[i].toString());
      
   }

}

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