1, makeCoffee, Main, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Main.java, 217, 244
3
/**
   * Make coffee user interface the processes input.
   */
28
  public static void makeCoffee() {
    Recipe [] recipes = coffeeMaker.getRecipes();
    for(int i = 0; i < recipes.length; i++) {
      if (recipes[i] != null) {
        System.out.println((i+1) + ". " + recipes[i].getName());
      }
    }
    
    int recipeToPurchase = recipeListSelection("Please select the number of the recipe to purchase.");
    
    String amountPaid = inputOutput("Please enter the amount you wish to pay");
    int amtPaid = 0;
    try {
      amtPaid = Integer.parseInt(amountPaid);
    } catch (NumberFormatException e) {
      System.out.println("Please enter a positive integer");
      mainMenu();
    }
    
    int change = coffeeMaker.makeCoffee(recipeToPurchase, amtPaid);
    
    if (change == amtPaid) {
      System.out.println("Insufficient funds to purchase.");
    } else {
      System.out.println("Thank you for purchasing " + coffeeMaker.getRecipes()[recipeToPurchase].getName());
    }
    System.out.println("Your change is: " + change + "\n");
    mainMenu();
###
2, deleteRecipe, Main, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Main.java, 103, 123
3
/**
   * Delete recipe user interface that processes input.
   */
21
  public static void deleteRecipe() {
    Recipe [] recipes = coffeeMaker.getRecipes();
    for(int i = 0; i < recipes.length; i++) {
      if (recipes[i] != null) {
        System.out.println((i+1) + ". " + recipes[i].getName());
      }
    }
    int recipeToDelete = recipeListSelection("Please select the number of the recipe to delete.");
    
    if(recipeToDelete < 0) {
      mainMenu();
    }
    
    String recipeDeleted = coffeeMaker.deleteRecipe(recipeToDelete);
    
    if (recipeDeleted != null) {
      System.out.println(recipeDeleted + " successfully deleted.\n");
    } else {
      System.out.println("Selected recipe doesn't exist and could not be deleted.\n");
    }
    mainMenu();
###
3, mainMenu, Main, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Main.java, 23, 50
4
/**
   * Prints the main menu and handles user input for 
   * main menu commands.
   */
28
  public static void mainMenu() {
    System.out.println("1. Add a recipe");
    System.out.println("2. Delete a recipe");
    System.out.println("3. Edit a recipe");
    System.out.println("4. Add inventory");
    System.out.println("5. Check inventory");
    System.out.println("6. Make coffee");
    System.out.println("0. Exit\n");
    
    //Get user input
    try {
      int userInput = Integer.parseInt(inputOutput("Please press the number that corresponds to what you would like the coffee maker to do."));
      
      if (userInput >= 0 && userInput <=6) {
        if (userInput == 1) addRecipe();
        if (userInput == 2) deleteRecipe();
        if (userInput == 3) editRecipe();
        if (userInput == 4) addInventory();
        if (userInput == 5) checkInventory();
        if (userInput == 6) makeCoffee();
        if (userInput == 0) System.exit(0);
      } else {
        System.out.println("Please enter a number from 0 - 6");
        mainMenu();
      }
    } catch (NumberFormatException e) {
      System.out.println("Please enter a number from 0 - 6");
      mainMenu();
###
4, inputOutput, Main, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Main.java, 253, 264
6
/**
   * Passes a prompt to the user and returns the user specified 
   * string.
   * @param message
   * @return String
   */
12
  private static String inputOutput(String message) {
    System.out.println(message);
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    String returnString = "";
    try {
      returnString = br.readLine();
    }
    catch (IOException e){
      System.out.println("Error reading in value");
      mainMenu();
    }
    return returnString;
###
5, addInventory, Main, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Main.java, 183, 202
3
/**
   * Add inventory user interface that processes input.
   */
20
  public static void addInventory() {
    //Read in amt coffee
    String coffeeString = inputOutput("\nPlease enter the units of coffee to add: ");
        
    //Read in amt milk
    String milkString = inputOutput("\nPlease enter the units of milk to add: ");
        
    //Read in amt sugar
    String sugarString = inputOutput("\nPlease enter the units of sugar to add: ");
        
    //Read in amt chocolate
    String chocolateString = inputOutput("\nPlease enter the units of chocolate to add: ");
        
    try {
      coffeeMaker.addInventory(coffeeString, milkString, sugarString, chocolateString);
      System.out.println("Inventory successfully added");
    } catch (InventoryException e) {
      System.out.println("Inventory was not added");
    } finally {
      mainMenu();
###
6, editRecipe, Main, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Main.java, 129, 176
3
/**
   * Edit recipe user interface the processes user input.
   */
48
  public static void editRecipe() {
    Recipe [] recipes = coffeeMaker.getRecipes();
    for(int i = 0; i < recipes.length; i++) {
      if (recipes[i] != null) {
        System.out.println((i+1) + ". " + recipes[i].getName());
      }
    }
    int recipeToEdit = recipeListSelection("Please select the number of the recipe to edit.");
    
    if(recipeToEdit < 0) {
      mainMenu();
    }
    
    //Read in recipe price
    String priceString = inputOutput("\nPlease enter the recipe price: $");
    
    //Read in amt coffee
    String coffeeString = inputOutput("\nPlease enter the units of coffee in the recipe: ");
    
    //Read in amt milk
    String milkString = inputOutput("\nPlease enter the units of milk in the recipe: ");
    
    //Read in amt sugar
    String sugarString = inputOutput("\nPlease enter the units of sugar in the recipe: ");
    
    //Read in amt chocolate
    String chocolateString = inputOutput("\nPlease enter the units of chocolate in the recipe: ");
    
    Recipe newRecipe = new Recipe();
    try {
      newRecipe.setPrice(priceString);
      newRecipe.setAmtCoffee(coffeeString);
      newRecipe.setAmtMilk(milkString);
      newRecipe.setAmtSugar(sugarString);
      newRecipe.setAmtChocolate(chocolateString);
      
      String recipeEdited = coffeeMaker.editRecipe(recipeToEdit, newRecipe);
      
      if (recipeEdited != null) {
        System.out.println(recipeEdited + " successfully edited.\n");
      }
      else {
        System.out.println(recipeEdited + "could not be edited.\n");
      }
    } catch (RecipeException e) {
      System.out.println(e.getMessage());
    } finally {
      mainMenu();
###
7, recipeListSelection, Main, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Main.java, 273, 287
6
/**
   * Passes a prompt to the user that deals with the recipe list
   * and returns the user selected number.
   * @param message
   * @return int
   */
15
  private static int recipeListSelection(String message) {
    String userSelection = inputOutput(message);
    int recipe = 0;
    try {
      recipe = Integer.parseInt(userSelection) - 1;
      if (recipe >= 0 && recipe <=2) {
        //do nothing here.
      } else {
        recipe = -1;
      }
    } catch (NumberFormatException e) {
      System.out.println("Please select a number from 1-3.");
      recipe = -1;
    }
    return recipe;
###
8, addRecipe, Main, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Main.java, 57, 96
3
/**
   * The add recipe user interface that process user input.
   */
40
  public static void addRecipe() {
    
    //Read in recipe name
    String name = inputOutput("\nPlease enter the recipe name: ");
    
    //Read in recipe price
    String priceString = inputOutput("\nPlease enter the recipe price: $");
        
    //Read in amt coffee
    String coffeeString = inputOutput("\nPlease enter the units of coffee in the recipe: ");
        
    //Read in amt milk
    String milkString = inputOutput("\nPlease enter the units of milk in the recipe: ");
        
    //Read in amt sugar
    String sugarString = inputOutput("\nPlease enter the units of sugar in the recipe: ");
        
    //Read in amt chocolate
    String chocolateString = inputOutput("\nPlease enter the units of chocolate in the recipe: ");
        
    Recipe r = new Recipe();
    try {
      r.setName(name);
      r.setPrice(priceString);
      r.setAmtCoffee(coffeeString);
      r.setAmtMilk(milkString);
      r.setAmtSugar(sugarString);
      r.setAmtChocolate(chocolateString);
      
      boolean recipeAdded = coffeeMaker.addRecipe(r);
      
      if(recipeAdded) {
        System.out.println(name + " successfully added.\n");
      } else {
        System.out.println(name + " could not be added.\n");
      }
    } catch (RecipeException e) {
      System.out.println(e.getMessage());
    } finally {
      mainMenu();
###
9, checkInventory, Main, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Main.java, 209, 211
3
/**
   * Check inventory user interface that processes input.
   */
3
  public static void checkInventory() {
    System.out.println(coffeeMaker.checkInventory());
    mainMenu();
###
10, getRecipes, RecipeBook, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/RecipeBook.java, 22, 23
5
/**
   * Returns the recipe array.
   * @param r
   * @return Recipe[]
   */
2
  public synchronized Recipe[] getRecipes() {
    return recipeArray;
###
11, deleteRecipe, RecipeBook, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/RecipeBook.java, 57, 63
6
/**
   * Returns the name of the recipe deleted at the position specified
   * and null if the recipe does not exist.
   * @param recipeToDelete
   * @return String
   */
7
  public synchronized String deleteRecipe(int recipeToDelete) {
    if (recipeArray[recipeToDelete] != null) {
      String recipeName = recipeArray[recipeToDelete].getName();
      recipeArray[recipeToDelete] = null;
      return recipeName;
    } else {
      return null;
###
12, RecipeBook, RecipeBook, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/RecipeBook.java, 13, 14
3
/**
   * Default constructor for a RecipeBook.
   */
2
  public RecipeBook() {
    recipeArray = new Recipe[NUM_RECIPES];
###
13, makeCoffee, CoffeeMaker, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/CoffeeMaker.java, 86, 101
7
/**
   * Returns the change of a user's beverage purchase, or
   * the user's money if the beverage cannot be made
   * @param r
   * @param amtPaid
   * @return int
   */
16
  public synchronized int makeCoffee(int recipeToPurchase, int amtPaid) {
    int change = 0;
    
    if (getRecipes()[recipeToPurchase] == null) {
      change = amtPaid;
    } else if (getRecipes()[recipeToPurchase].getPrice() <= amtPaid) {
      if (inventory.useIngredients(getRecipes()[recipeToPurchase])) {
        change = amtPaid - getRecipes()[recipeToPurchase].getPrice();
      } else {
        change = amtPaid;
      }
    } else {
      change = amtPaid;
    }
    
    return change;
###
14, addInventory, CoffeeMaker, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/CoffeeMaker.java, 64, 68
8
/**
   * Returns true if inventory was successfully added
   * @param amtCoffee
   * @param amtMilk
   * @param amtSugar
   * @param amtChocolate
   * @return boolean
   */
5
  public synchronized void addInventory(String amtCoffee, String amtMilk, String amtSugar, String amtChocolate) throws InventoryException {
    inventory.addCoffee(amtCoffee);
    inventory.addMilk(amtMilk);
    inventory.addSugar(amtSugar);
    inventory.addChocolate(amtChocolate);
###
15, checkInventory, CoffeeMaker, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/CoffeeMaker.java, 75, 76
4
/**
   * Returns the inventory of the coffee maker
   * @return Inventory
   */
2
  public synchronized String checkInventory() {
    return inventory.toString();
###
16, deleteRecipe, CoffeeMaker, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/CoffeeMaker.java, 41, 42
7
/**
   * Returns the name of the successfully deleted recipe
   * or null if the recipe cannot be deleted.
   * 
   * @param recipeToDelete
   * @return String
   */
2
  public String deleteRecipe(int recipeToDelete) {
    return recipeBook.deleteRecipe(recipeToDelete);
###
17, editRecipe, CoffeeMaker, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/CoffeeMaker.java, 52, 53
7
/**
   * Returns the name of the successfully edited recipe
   * or null if the recipe cannot be edited.
   * @param recipeToEdit
   * @param r
   * @return String
   */
2
  public String editRecipe(int recipeToEdit, Recipe r) {
    return recipeBook.editRecipe(recipeToEdit, r);
###
18, CoffeeMaker, CoffeeMaker, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/CoffeeMaker.java, 18, 20
4
/**
   * Constructor for the coffee maker
   *
   */
3
  public CoffeeMaker() {
    recipeBook = new RecipeBook();
    inventory = new Inventory();
###
19, addRecipe, CoffeeMaker, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/CoffeeMaker.java, 30, 31
7
/**
   * Returns true if the recipe is added to the
   * list of recipes in the CoffeeMaker and false
   * otherwise.
   * @param r
   * @return boolean
   */
2
  public boolean addRecipe(Recipe r) {
    return recipeBook.addRecipe(r);
###
20, setAmtChocolate, Recipe, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Recipe.java, 37, 47
3
/**
   * @param amtChocolate   The amtChocolate to set.
   */
11
  public void setAmtChocolate(String chocolate) throws RecipeException {
    int amtChocolate = 0;
    try {
      amtChocolate = Integer.parseInt(chocolate);
    } catch (NumberFormatException e) {
      throw new RecipeException("Units of chocolate must be a positive integer");
    }
    if (amtChocolate >= 0) {
      this.amtChocolate = amtChocolate;
    } else {
      throw new RecipeException("Units of chocolate must be a positive integer");
###
21, getPrice, Recipe, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Recipe.java, 133, 134
3
/**
   * @return   Returns the price.
   */
2
  public int getPrice() {
    return price;
###
22, setPrice, Recipe, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Recipe.java, 139, 149
3
/**
   * @param price   The price to set.
   */
11
  public void setPrice(String price) throws RecipeException{
    int amtPrice = 0;
    try {
      amtPrice = Integer.parseInt(price);
    } catch (NumberFormatException e) {
      throw new RecipeException("Price must be a positive integer");
    }
    if (amtPrice >= 0) {
      this.price = amtPrice;
    } else {
      throw new RecipeException("Price must be a positive integer");
###
23, getAmtCoffee, Recipe, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Recipe.java, 53, 54
3
/**
   * @return   Returns the amtCoffee.
   */
2
  public int getAmtCoffee() {
    return amtCoffee;
###
24, setAmtMilk, Recipe, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Recipe.java, 81, 91
3
/**
   * @param amtMilk   The amtMilk to set.
   */
11
  public void setAmtMilk(String milk) throws RecipeException{
    int amtMilk = 0;
    try {
      amtMilk = Integer.parseInt(milk);
    } catch (NumberFormatException e) {
      throw new RecipeException("Units of milk must be a positive integer");
    }
    if (amtMilk >= 0) {
      this.amtMilk = amtMilk;
    } else {
      throw new RecipeException("Units of milk must be a positive integer");
###
25, getAmtMilk, Recipe, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Recipe.java, 75, 76
3
/**
   * @return   Returns the amtMilk.
   */
2
  public int getAmtMilk() {
    return amtMilk;
###
26, setAmtCoffee, Recipe, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Recipe.java, 59, 69
3
/**
   * @param amtCoffee   The amtCoffee to set.
   */
11
  public void setAmtCoffee(String coffee) throws RecipeException {
    int amtCoffee = 0;
    try {
      amtCoffee = Integer.parseInt(coffee);
    } catch (NumberFormatException e) {
      throw new RecipeException("Units of coffee must be a positive integer");
    }
    if (amtCoffee >= 0) {
      this.amtCoffee = amtCoffee;
    } else {
      throw new RecipeException("Units of coffee must be a positive integer");
###
27, getAmtSugar, Recipe, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Recipe.java, 97, 98
3
/**
   * @return   Returns the amtSugar.
   */
2
  public int getAmtSugar() {
    return amtSugar;
###
28, getName, Recipe, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Recipe.java, 119, 120
3
/**
   * @return   Returns the name.
   */
2
  public String getName() {
    return name;
###
29, getAmtChocolate, Recipe, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Recipe.java, 31, 32
3
/**
   * @return   Returns the amtChocolate.
   */
2
  public int getAmtChocolate() {
    return amtChocolate;
###
30, setName, Recipe, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Recipe.java, 125, 127
3
/**
   * @param name   The name to set.
   */
3
  public void setName(String name) {
    if(name != null) {
      this.name = name;
###
31, Recipe, Recipe, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Recipe.java, 19, 25
3
/**
   * Creates a default recipe for the coffee maker.
   */
7
  public Recipe() {
    this.name = "";
    this.price = 0;
    this.amtCoffee = 0;
    this.amtMilk = 0;
    this.amtSugar = 0;
    this.amtChocolate = 0;
###
32, setAmtSugar, Recipe, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Recipe.java, 103, 113
3
/**
   * @param amtSugar   The amtSugar to set.
   */
11
  public void setAmtSugar(String sugar) throws RecipeException {
    int amtSugar = 0;
    try {
      amtSugar = Integer.parseInt(sugar);
    } catch (NumberFormatException e) {
      throw new RecipeException("Units of sugar must be a positive integer");
    }
    if (amtSugar >= 0) {
      this.amtSugar = amtSugar;
    } else {
      throw new RecipeException("Units of sugar must be a positive integer");
###
33, setMilk, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 123, 125
5
/**
   * Sets the number of milk units in the inventory
   * to the specified amount.
   * @param milk
   */
3
  public synchronized void setMilk(int milk) {
    if(milk >= 0) {
      Inventory.milk = milk;
###
34, getChocolate, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 33, 34
5
/**
   * Returns the current number of chocolate units in 
   * the inventory.
   * @return int
   */
2
  public int getChocolate() {
    return chocolate;
###
35, addSugar, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 175, 185
6
/**
   * Add the number of sugar units in the inventory 
   * to the current amount of sugar units.
   * @param sugar
   * @throws InventoryException
   */
11
  public synchronized void addSugar(String sugar) throws InventoryException {
    int amtSugar = 0;
    try {
      amtSugar = Integer.parseInt(sugar);
    } catch (NumberFormatException e) {
      throw new InventoryException("Units of sugar must be a positive integer");
    }
    if (amtSugar >= 0) { 
      Inventory.sugar += amtSugar;
    } else {
      throw new InventoryException("Units of sugar must be a positive integer");
###
36, setSugar, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 163, 165
5
/**
   * Sets the number of sugar units in the inventory
   * to the specified amount.
   * @param sugar
   */
3
  public synchronized void setSugar(int sugar) {
    if(sugar >= 0) {
      Inventory.sugar = sugar;
###
37, getSugar, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 154, 155
5
/**
   * Returns the current number of sugar units in 
   * the inventory.
   * @return int
   */
2
  public int getSugar() {
    return sugar;
###
38, useIngredients, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 218, 226
6
/**
   * Removes the ingredients used to make the specified 
   * recipe.  Assumes that the user has checked that there
   * are enough ingredients to make 
   * @param r
   */
9
  public synchronized boolean useIngredients(Recipe r) {
    if (enoughIngredients(r)) {
      Inventory.coffee -= r.getAmtCoffee();
      Inventory.milk -= r.getAmtMilk();
      Inventory.sugar -= r.getAmtSugar();
      Inventory.chocolate -= r.getAmtChocolate();
      return true;
    } else {
      return false;
###
39, setCoffee, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 83, 85
5
/**
   * Sets the number of coffee units in the inventory 
   * to the specified amount.
   * @param coffee
   */
3
  public synchronized void setCoffee(int coffee) {
    if(coffee >= 0) {
      Inventory.coffee = coffee;
###
40, addChocolate, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 55, 65
6
/**
   * Add the number of chocolate units in the inventory 
   * to the current amount of chocolate units.
   * @param chocolate
   * @throws InventoryException
   */
11
  public synchronized void addChocolate(String chocolate) throws InventoryException {
    int amtChocolate = 0;
    try {
      amtChocolate = Integer.parseInt(chocolate);
    } catch (NumberFormatException e) {
      throw new InventoryException("Units of chocolate must be a positive integer");
    }
    if (amtChocolate >= 0) {
      Inventory.chocolate += amtChocolate;
    } else {
      throw new InventoryException("Units of chocolate must be a positive integer");
###
41, setChocolate, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 42, 44
5
/**
   * Sets the number of chocolate units in the inventory
   * to the specified amount.
   * @param chocolate
   */
3
  public synchronized void setChocolate(int chocolate) {
    if(chocolate >= 0) {
      Inventory.chocolate = chocolate;
###
42, getCoffee, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 74, 75
5
/**
   * Returns the current number of coffee units in
   * the inventory.
   * @return int
   */
2
  public int getCoffee() {
    return coffee;
###
43, getMilk, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 114, 115
5
/**
   * Returns the current number of milk units in
   * the inventory.
   * @return int
   */
2
  public int getMilk() {
    return milk;
###
44, enoughIngredients, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 195, 209
6
/**
   * Returns true if there are enough ingredients to make
   * the beverage.
   * @param r
   * @return boolean
   */
15
  protected synchronized boolean enoughIngredients(Recipe r) {
    boolean isEnough = true;
    if(Inventory.coffee < r.getAmtCoffee()) {
      isEnough = false;
    }
    if(Inventory.milk < r.getAmtMilk()) {
      isEnough = false;
    }
    if(Inventory.sugar < r.getAmtSugar()) {
      isEnough = false;
    }
    if(Inventory.chocolate < r.getAmtChocolate()) {
      isEnough = false;
    }
    return isEnough;
###
45, addMilk, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 135, 145
6
/**
   * Add the number of milk units in the inventory 
   * to the current amount of milk units.
   * @param milk
   * @throws InventoryException
   */
11
  public synchronized void addMilk(String milk) throws InventoryException {
    int amtMilk = 0;
    try {
      amtMilk = Integer.parseInt(milk);
    } catch (NumberFormatException e) {
      throw new InventoryException("Units of milk must be a positive integer");
    }
    if (amtMilk >= 0) {
      Inventory.milk += amtMilk;
    } else {
      throw new InventoryException("Units of milk must be a positive integer");
###
46, Inventory, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 21, 25
4
/**
   * Creates a coffee maker inventory object and
   * fills each item in the inventory with 15 units.
   */
5
  public Inventory() {
    setCoffee(15);
    setMilk(15);
    setSugar(15);
    setChocolate(15);
###
47, addCoffee, Inventory, CoffeeMaker10
CoffeeMaker_Web/src/edu/ncsu/csc326/coffeemaker/Inventory.java, 95, 105
6
/**
   * Add the number of coffee units in the inventory 
   * to the current amount of coffee units.
   * @param coffee
   * @throws InventoryException
   */
11
  public synchronized void addCoffee(String coffee) throws InventoryException {
    int amtCoffee = 0;
    try {
      amtCoffee = Integer.parseInt(coffee);
    } catch (NumberFormatException e) {
      throw new InventoryException("Units of coffee must be a positive integer");
    }
    if (amtCoffee >= 0) {
      Inventory.coffee += amtCoffee;
    } else {
      throw new InventoryException("Units of coffee must be a positive integer");
###