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feat: completes Talia's Lesson16 Assignment (#580)
* feat: implement anime collection system with OOP principles * test: implements test for setTitle method. * test: implements test for setEpisodes method. * feat: adds constructor to Anime.java and implements tests for Genre and Studio * fix: corrects String expected for ToString Test * feat: adds spotlessApply to Anime.java and implements tests for Equals and HashCode * refactor: remove AnimeCollection and related test files * feat: fixes taliacrocketttest folder to taliacrockett, updates import packages in test files
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‎lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/taliacrockett/Anime.java‎

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package com.codedifferently.lesson16.taliacrockett;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Represents an anime with various properties and behaviors. This class meets the assignment
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* requirements for a custom data type.
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*/
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public class Anime {
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private String title;
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private int episodes;
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private double rating;
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private boolean isCompleted;
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private List<String> characters;
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private AnimeGenre genre;
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private String studio;
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// Constructor
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public Anime(String title, int episodes, double rating, AnimeGenre genre, String studio) {
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this.title = title;
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this.episodes = episodes;
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this.rating = rating;
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this.genre = genre;
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this.studio = studio;
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this.isCompleted = false;
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this.characters = new ArrayList<>();
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}
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// Member functions (3+ functions required)
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public Anime(String title, AnimeGenre genre, double rating) {
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this.title = title;
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this.episodes = 0; // Default value
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this.rating = rating;
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this.genre = genre;
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this.studio = ""; // Default value
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this.isCompleted = false;
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this.characters = new ArrayList<>();
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}
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/**
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* Function 1: Uses conditional expression Determines if the anime is worth watching based on
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* rating
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*/
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public String getRecommendation() {
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return rating >= 8.0
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? "Highly Recommended!"
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: rating >= 6.0 ? "Worth Watching" : "Skip This One";
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}
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/** Function 2: Uses collection member variable Adds a character to the anime's character list */
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public void addCharacter(String characterName) {
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if (characterName != null && !characterName.trim().isEmpty()) {
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characters.add(characterName);
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}
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}
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/** Function 3: Uses a loop Searches for a character in the character list */
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public boolean hasCharacter(String characterName) {
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for (String character : characters) {
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if (character.equalsIgnoreCase(characterName)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Additional function: Uses collection and conditional Gets character count with status message
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*/
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public String getCharacterSummary() {
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return "Characters: " + String.join(", ", characters);
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}
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// Getters and Setters
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public String getTitle() {
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return title;
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}
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public void setTitle(String title) {
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this.title = title;
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}
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public int getEpisodes() {
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return episodes;
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}
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public void setEpisodes(int episodes) {
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this.episodes = episodes;
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}
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public double getRating() {
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return rating;
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}
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public void setRating(double rating) {
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this.rating = rating;
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}
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public boolean isCompleted() {
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return isCompleted;
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}
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public void setCompleted(boolean completed) {
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isCompleted = completed;
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}
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public List<String> getCharacters() {
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return new ArrayList<>(characters); // Return defensive copy
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}
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public AnimeGenre getGenre() {
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return genre;
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}
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public void setGenre(AnimeGenre genre) {
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this.genre = genre;
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}
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public String getStudio() {
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return studio;
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}
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public void setStudio(String studio) {
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this.studio = studio;
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}
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@Override
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public String toString() {
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return String.format(
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"Anime{title='%s', episodes=%d, rating=%.1f, genre=%s, studio='%s', completed=%s}",
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title, episodes, rating, genre, studio, isCompleted);
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj) return true;
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if (obj == null || getClass() != obj.getClass()) return false;
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Anime anime = (Anime) obj;
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return title != null ? title.equals(anime.title) : anime.title == null;
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}
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@Override
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public int hashCode() {
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return title != null ? title.hashCode() : 0;
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}
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}

‎lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/taliacrockett/AnimeGenre.java‎

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package com.codedifferently.lesson16.taliacrockett;
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public enum AnimeGenre {
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SHONEN("Shonen"),
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SHOUJO("Shoujo"),
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SEINEN("Seinen"),
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JOSEI("Josei"),
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ISEKAI("Isekai"),
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MECHA("Mecha"),
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SLICE_OF_LIFE("Slice of Life"),
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ROMANCE("Romance"),
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ACTION("Action"),
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COMEDY("Comedy"),
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DRAMA("Drama"),
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FANTASY("Fantasy"),
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SUPERNATURAL("Supernatural"),
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THRILLER("Thriller"),
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HORROR("Horror");
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public String displayName;
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AnimeGenre(String displayName) {
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this.displayName = displayName;
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}
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public String getDisplayName() {
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if (displayName == null) {
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return "Unknown Genre";
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}
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return displayName;
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}
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@Override
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public String toString() {
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return displayName;
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}
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}

‎lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/taliacrockett/AnimeNotFoundException.java‎

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package com.codedifferently.lesson16.taliacrockett;
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/** Custom exception thrown when an anime is not found in the collection. */
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public class AnimeNotFoundException extends Exception {
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public AnimeNotFoundException(String message) {
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super(message);
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}
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}

‎lesson_16/objects/objects_app/src/test/java/com/codedifferently/lesson16/taliacrockett/AnimeGenreTest.java‎

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package com.codedifferently.lesson16.taliacrockett;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import org.junit.jupiter.api.Test;
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public class AnimeGenreTest {
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@Test
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public void testDisplayName() {
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AnimeGenre genre = AnimeGenre.SHONEN;
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assertEquals("Shonen", genre.getDisplayName());
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}
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@Test
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public void testToString() {
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AnimeGenre genre = AnimeGenre.FANTASY;
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assertEquals("Fantasy", genre.toString());
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}
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}

‎lesson_16/objects/objects_app/src/test/java/com/codedifferently/lesson16/taliacrockett/AnimeTest.java‎

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package com.codedifferently.lesson16.taliacrockett;
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import static org.junit.jupiter.api.Assertions.*;
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import org.junit.jupiter.api.Test;
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public class AnimeTest {
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// Test methods for Anime class
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@Test
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public void testGetRecommendation() {
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Anime anime1 = new Anime("Test Anime 1", 12, 8.5, AnimeGenre.SHONEN, "Studio A");
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assertEquals("Highly Recommended!", anime1.getRecommendation());
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Anime anime2 = new Anime("Test Anime 2", 24, 7.0, AnimeGenre.SHOUJO, "Studio B");
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assertEquals("Worth Watching", anime2.getRecommendation());
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Anime anime3 = new Anime("Test Anime 3", 10, 5.5, AnimeGenre.ACTION, "Studio C");
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assertEquals("Skip This One", anime3.getRecommendation());
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}
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@Test
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public void testAddCharacter() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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anime.addCharacter("Character A");
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anime.addCharacter("Character B");
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assertTrue(anime.hasCharacter("Character A"));
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assertTrue(anime.hasCharacter("Character B"));
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assertFalse(anime.hasCharacter("Character C"));
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}
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@Test
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public void testHasCharacter() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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anime.addCharacter("Character A");
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assertTrue(anime.hasCharacter("Character A"));
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assertFalse(anime.hasCharacter("Character B"));
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}
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@Test
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public void testGetCharacterSummary() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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anime.addCharacter("Character A");
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anime.addCharacter("Character B");
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String summary = anime.getCharacterSummary();
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assertEquals("Characters: Character A, Character B", summary);
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}
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@Test
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public void testGetTitle() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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assertEquals("Test Anime", anime.getTitle());
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}
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@Test
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public void testSetTitle() {
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Anime anime = new Anime("Old Title", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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anime.setTitle("New Title");
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assertEquals("New Title", anime.getTitle());
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}
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@Test
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public void testGetEpisodes() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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assertEquals(12, anime.getEpisodes());
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}
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@Test
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public void testSetEpisodes() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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anime.setEpisodes(24);
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assertEquals(24, anime.getEpisodes());
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}
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@Test
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public void testGetRating() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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assertEquals(8.0, anime.getRating());
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}
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@Test
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public void testSetRating() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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anime.setRating(9.5);
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assertEquals(9.5, anime.getRating());
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}
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@Test
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public void testIsCompleted() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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assertFalse(anime.isCompleted());
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anime.setCompleted(true);
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assertTrue(anime.isCompleted());
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}
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@Test
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public void testSetCompleted() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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anime.setCompleted(true);
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assertTrue(anime.isCompleted());
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anime.setCompleted(false);
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assertFalse(anime.isCompleted());
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}
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@Test
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public void testGetCharacters() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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anime.addCharacter("Character A");
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anime.addCharacter("Character B");
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assertEquals(2, anime.getCharacters().size());
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assertTrue(anime.getCharacters().contains("Character A"));
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assertTrue(anime.getCharacters().contains("Character B"));
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}
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@Test
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public void testGetGenre() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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assertEquals(AnimeGenre.FANTASY, anime.getGenre());
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}
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@Test
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public void testSetGenre() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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anime.setGenre(AnimeGenre.HORROR);
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assertEquals(AnimeGenre.HORROR, anime.getGenre());
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}
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@Test
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public void testGetStudio() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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assertEquals("Studio D", anime.getStudio());
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}
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@Test
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public void testSetStudio() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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anime.setStudio("Studio E");
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assertEquals("Studio E", anime.getStudio());
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}
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@Test
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public void testToString() {
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Anime anime = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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String expected =
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"Anime{title='Test Anime', episodes=12, rating=8.0, genre=Fantasy, studio='Studio D', completed=false}";
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assertEquals(expected, anime.toString());
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}
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@Test
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public void testEquals() {
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Anime anime1 = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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Anime anime2 = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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Anime anime3 = new Anime("Different Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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assertEquals(anime1, anime2);
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assertNotEquals(anime1, anime3);
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assertNotEquals(anime1, null);
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assertNotEquals(anime1, "Some String");
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}
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@Test
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public void testHashCode() {
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Anime anime1 = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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Anime anime2 = new Anime("Test Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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assertEquals(anime1.hashCode(), anime2.hashCode());
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Anime anime3 = new Anime("Different Anime", 12, 8.0, AnimeGenre.FANTASY, "Studio D");
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assertNotEquals(anime1.hashCode(), anime3.hashCode());
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}
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}

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