Session 23

Source Code

import java.util.*;

public class Session23 {
    public static void main(String[] args) {
        System.out.println("Session 23");

        // Menu
        System.out.println("Menu");
        System.out.println("E1 - Example 1");

        // setup Scanner
        Scanner in = new Scanner(System.in);
        System.out.print("Choice: ");
        String choice = in.nextLine();

        // switch choices
        switch (choice) {
            case "E1":
                System.out.println("Example 1");
                example1();
                break;
            case "E2":
                System.out.println("Example 2");
                example2();
                break;
            case "E3":
                System.out.println("Example 3");
                example3();
                break;
            default:
                System.out.println("Invalid choice");
        }
    }

    // example1 method
    public static void example1() {
        // Create Location object
        

        // Create Learner object that has a Location
        

        // Demonstrate accessing object data
        

    }

    // example2 method
    public static void example2() {
        // create ingredients
        

        // valid recipe
        
    }

    // example3 method
    public static void example3() {
        // create ingredients
        

        // invalid recipe
        
    }
}

Location.java

/**
 * The Location class represents a physical location.
 * It stores address-related information such as street,
 * city, state, and zip code.
 */
public class Location
{
    /** Street address */
    

    /** City name */
    

    /** State abbreviation */
    

    /** Zip code */
    

    /**
     * Constructs a Location object with the given address information.
     *
     * @param street the street address
     * @param city the city name
     * @param state the state abbreviation
     * @param zipCode the zip code
     */
    

    /**
     * Returns the city for this Location.
     *
     * @return the city name
     */
    
    
}

Learner.java

/**
 * The Learner class represents a learner with a name
 * and a home location.
 * This class demonstrates a has-a relationship
 * using an object instance variable.
 */
public class Learner
{
    /** The learner's name */
    

    /** The learner's location */
    

    /**
     * Constructs a Learner object with a name and location.
     *
     * @param name the learner's name
     * @param location the learner's Location object
     */
    
    
    /**
     * Returns the learner's name.
     *
     * @return the learner's name
     */
    

    /**
     * Returns the learner's location.
     *
     * @return the Location object associated with this learner
     */
   
   
}

GamerDemo.java

public class GamerDemo
{
    public static void main(String[] args)
    {
        // TODO: Create a Console object
        
        // TODO: Create a Gamer object using the Console

        // TODO: Print the gamer's username

        // TODO: Print the console brand

        // TODO: Print the console storage capacity
                      
                                          
    }
}

Gamer.java

/**
 * The Gamer class represents a gamer who owns a console.
 * This class demonstrates a has-a relationship
 * between a Gamer and a Console.
 */
public class Gamer
{
    /** The gamer's username */
    private String username;

    /** The console owned by the gamer */
    private Console console;

    /**
     * Constructs a Gamer object with a username
     * and a console.
     *
     * @param username the gamer's username
     * @param console the Console object owned by the gamer
     */
    public Gamer(String username, Console console)
    {
        // TODO: initialize instance variables
    }

    /**
     * Returns the gamer's username.
     *
     * @return the username
     */
    public String getUsername()
    {
        // TODO
        return "";
    }

    /**
     * Returns the console owned by the gamer.
     *
     * @return the Console object
     */
    public Console getConsole()
    {
        // TODO
        return null;
    }
}

Console.java

/**
 * The Console class represents a gaming console.
 * It stores information about the console's brand
 * and available storage space.
 */
public class Console
{
    /** The brand of the console */
    private String brand;

    /** The storage capacity of the console in gigabytes */
    private int storageGB;

    /**
     * Constructs a Console object with the given brand
     * and storage capacity.
     *
     * @param brand the console brand
     * @param storageGB the storage capacity in gigabytes
     */
    public Console(String brand, int storageGB)
    {
        // TODO: initialize instance variables
    }

    /**
     * Returns the brand of the console.
     *
     * @return the console brand
     */
    public String getBrand()
    {
        // TODO
        return "";
    }

    /**
     * Returns the storage capacity of the console.
     *
     * @return the storage capacity in gigabytes
     */
    public int getStorageGB()
    {
        // TODO
        return 0;
    }
}

Ingredient.java

/**
 * The Ingredient class represents an ingredient in a recipe or inventory.
 * Each ingredient has a name, an amount, a unit of measurement, and an 
 * indication of whether it is organic.
 */
public class Ingredient {

    // Instance variables
  

    /**
     * Constructs a new Ingredient with the specified properties.
     *
     * @param name    The name of the ingredient.
     * @param amount  The quantity of the ingredient.
     * @param unit    The unit of measurement for the ingredient.
     * @param organic True if the ingredient is organic; false otherwise.
     */
   

    /**
     * Returns the name of the ingredient.
     *
     * @return The name of the ingredient.
     */
    

    /**
     * Returns the amount of the ingredient.
     *
     * @return The quantity of the ingredient.
     */
   

    /**
     * Returns the unit of measurement for the ingredient.
     *
     * @return The unit of measurement (e.g., "cups", "grams").
     */
    

    /**
     * Checks if the ingredient is organic.
     *
     * @return True if the ingredient is organic, false otherwise.
     */
    
            
}

Recipe.java

/**
 * The Recipe class represents a recipe with a name, a main ingredient,
 * a secondary ingredient, and a cooking time. It provides methods to calculate
 * the cost of the recipe, check if the recipe is fully organic, and determine
 * the nutritional rating based on ingredient properties.
 */
public class Recipe {

    // Instance variables
   

    /**
     * Constructs a new Recipe with the specified name, ingredients, and cooking
     * time.
     * If invalid parameters are provided, default values are used instead.
     *
     * @param name        The name of the recipe. 
     * @param main        The main ingredient of the recipe. 
     * @param secondary   The secondary ingredient of the recipe. 
     * @param cookingTime The cooking time in minutes. If less than or equal to
     *                    zero, defaults to Integer.MIN_VALUE.
     */
    

    /**
     * Calculates the total cost of the recipe.
     *
     * @return The total cost of the recipe.
     */
        }

    /**
     * Checks if the recipe is fully organic.
     *
     * @return True if both ingredients are organic, false otherwise.
     */
    

    /**
     * Determines the nutritional rating of the recipe.
     *
     * @return The nutritional rating ("A", "B", or "C").
     */
        
        

    /**
     * Returns the cooking time for the recipe.
     *
     * @return The cooking time in minutes.
     */
    
    
    /**
     * Returns a string representation of the recipe.
     *
     * @return A string containing the recipe details.
     */
    @Override
        
        
}

MealPlan.java

/**
 * The MealPlan class represents a weekly meal plan, including two recipes,
 * the total number of servings, and methods to calculate cost and check if
 * the plan is fully organic.
 */
public class MealPlan {



    /**
     * Constructs a MealPlan with the specified name, recipes, and servings.
     * If invalid parameters are provided, default values are used.
     *
     * @param name            The name of the meal plan.
     * @param breakfastRecipe The breakfast recipe.
     * @param lunchRecipe The breakfast recipe.
     * @param dinnerRecipe    The dinner recipe.
     */


 

    /**
     * Calculates the total cost of the meal plan for the week.
     *
     * @return The total cost of the meal plan.
     */
 
 
    /**
     * Checks if the meal plan is fully organic.
     *
     * @return True if both recipes are fully organic, false otherwise.
     */



    /**
     * Returns a summary of the meal plan, including its name, total cost,
     * and organic status.
     *
     * @return A summary string of the meal plan.
     */
 
    public static void main(String[] args) {
        // breakfast recipe
        
        
        // lunch recipe
        
        
        // dinner recipe
        

        // Valid meal plan


    }
}