feat: Added Zion's Movie Object and Test to lesson_16

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/lunch/InvalidCalorieException.java

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+package com.codedifferently.lesson16.lunch;
+
+public class InvalidCalorieException extends Exception {
+  public InvalidCalorieException(String message) {
+    super(message);
+  }
+}

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/lunch/Lunch.java

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+package com.codedifferently.lesson16.lunch;
+
+import java.util.ArrayList;
+
+public class Lunch {
+
+  public enum LunchType {
+    VEGETARIAN,
+    NON_VEGETARIAN,
+    VEGAN,
+    GLUTEN_FREE
+  }
+
+  // Member variables
+  private final String mainDish; // String type
+  private final String sideDish; // String type
+  private final int calories; // Integer type
+  private final LunchType lunchType; // Enum type
+  private final ArrayList<String> drinks; // Collection type (ArrayList)
+
+  // Constructor
+  public Lunch(String mainDish, String sideDish, int calories, LunchType lunchType)
+      throws InvalidCalorieException {
+    if (calories <= 0) {
+      throw new InvalidCalorieException("Calories cannot be zero or negative.");
+    }
+    this.mainDish = mainDish;
+    this.sideDish = sideDish;
+    this.calories = calories;
+    this.lunchType = lunchType;
+    this.drinks = new ArrayList<>();
+  }
+
+  // Member function to add a drink
+  public void addDrink(String drink) {
+    drinks.add(drink);
+  }
+
+  // Member function to get a healthy message based on calories
+  public String getHealthMessage() {
+    return (calories < 500) ? "This lunch is healthy!" : "This lunch is high in calories.";
+  }
+
+  // Member function to display all drinks
+  public void displayDrinks() {
+
+    System.out.println("Available drinks:");
+    for (String drink : drinks) {
+      System.out.println("- " + drink);
+    }
+  }
+
+  // Getters for member variables (optional)
+  public String getMainDish() {
+    return mainDish;
+  }
+
+  public String getSideDish() {
+    return sideDish;
+  }
+
+  public int getCalories() {
+    return calories;
+  }
+
+  public LunchType getLunchType() {
+    return lunchType;
+  }
+
+  public ArrayList<String> getDrinks() {
+    return drinks;
+  }
+}

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/movie/Genres.java

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+package com.codedifferently.lesson16.movie;
+
+public enum Genres {
+  DRAMA,
+  COMEDY,
+  ACTION,
+  THRILLER,
+  HORROR,
+  SCIENCE_FICTION,
+  FANTASY,
+  ROMANCE,
+  ADVENTURE,
+  MYSTERY;
+}

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/movie/Movie.java

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+package com.codedifferently.lesson16.movie;
+
+import java.util.ArrayList;
+
+public class Movie {
+
+  // member variables
+  private String title;
+  private int releaseYear;
+  private double rating;
+  private final Genres genres;
+  private final MovieRating movieRating;
+  private ArrayList<String> actors;
+
+  // constructor
+  public Movie(
+      String title, int releaseYear, double rating, MovieRating movieRating, Genres genres) {
+    this.title = title;
+    this.releaseYear = releaseYear;
+    this.rating = rating;
+    this.movieRating = movieRating;
+    this.genres = genres;
+    this.actors = new ArrayList<String>();
+  }
+
+  // getters and setters member functions
+
+  public String getTitle() {
+    return title;
+  }
+
+  public String setTitle() {
+    return "Creed 2";
+  }
+
+  public int getReleaseYear() {
+    return releaseYear;
+  }
+
+  public int setReleaseYear(int releaseYear) {
+    return this.releaseYear = releaseYear;
+  }
+
+  public double getRating() {
+    return rating;
+  }
+
+  public double setRating(double rating) {
+    return this.rating = rating;
+  }
+
+  public Genres getGenres() {
+    return genres;
+  }
+
+  public MovieRating getMovieRating() {
+    return movieRating;
+  }
+
+  // Conditional
+  public String goodRating() {
+    if (rating >= 7.0) {
+      return "The movie is not good";
+    } else {
+      return "The movie is satisfactory";
+    }
+  }
+
+  public void addActor(String actor) {
+    actors.add(actor);
+  }
+
+  public String getActors() throws actorNotAvailableException {
+    if (actors.isEmpty()) {
+      throw new actorNotAvailableException("actors not available");
+    }
+    String names = "";
+    for (String actor : actors) {
+      names += actor + ",";
+    }
+    return names;
+  }
+}
+
+class actorNotAvailableException extends Exception {
+  public actorNotAvailableException(String message) {
+    super(message);
+  }
+}

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/movie/MovieRating.java

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+package com.codedifferently.lesson16.movie;
+
+public enum MovieRating {
+  G,
+  PG,
+  PG_13,
+  R;
+}

lesson_16/objects/objects_app/src/test/java/com/codedifferently/lesson16/movie/MovieTest.java

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+package com.codedifferently.lesson16.movie;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+public class MovieTest {
+  Movie movie;
+
+  @BeforeEach
+  public void setUp() {
+    movie = new Movie("Creed", 2015, 7.6, MovieRating.PG_13, Genres.ACTION);
+  }
+
+  @Test
+  void testGetMovieTitle() {
+    // act
+    String title = movie.getTitle();
+    // assert
+    assertEquals("Creed", title);
+  }
+
+  @Test
+  void testSetMovieTitle() {
+    // arrange
+    // act
+    String title = movie.setTitle();
+    // assert
+    assertEquals("Creed 2", title);
+  }
+
+  @Test
+  void testGetReleaseYear() {
+    int releaseYear = movie.getReleaseYear();
+    assertEquals(2015, 2015);
+  }
+
+  @Test
+  void testSetReleaseYear() {
+    int releaseYear = movie.setReleaseYear(2018);
+    assertEquals(movie.getReleaseYear(), 2018);
+  }
+
+  @Test
+  void testGetRating() {
+    double rating = movie.getRating();
+    assertEquals(movie.getRating(), 7.6);
+  }
+
+  @Test
+  void testGetGenres() {
+    assertEquals(Genres.ACTION, movie.getGenres());
+  }
+}