diff --git a/src/main/java/Rational/Rational.java b/src/main/java/Rational/Rational.java index 7bd840e..08cca7e 100644 --- a/src/main/java/Rational/Rational.java +++ b/src/main/java/Rational/Rational.java @@ -41,9 +41,9 @@ public class Rational { // COMPLETED - Instance method: this + other public Rational add(Rational other) { - int newNumerator = this.numerator * other.denominator + other.numerator * this.denominator; - int newDenominator = this.denominator * other.denominator; - return new Rational(newNumerator, newDenominator); + int newNum = this.numerator * other.denominator + other.numerator * this.denominator; + int newDenom = this.denominator * other.denominator; + return new Rational(newNum, newDenom); } // COMPLETED - Static method: r1 + r2 @@ -54,42 +54,53 @@ public class Rational { // TODO: Instance method - this - other // Formula: a/b - c/d = (a*d - c*b) / (b*d) public Rational subtract(Rational other) { - // YOUR CODE HERE - return null; // Remove this line when implemented + int newNum = this.numerator * other.numerator - other.numerator * this.denominator; + int newDenom = other.numerator * this.denominator; + return new Rational(newNum, newDenom); } // TODO: Static method - r1 - r2 public static Rational subtract(Rational r1, Rational r2) { - // YOUR CODE HERE - return null; // Remove this line when implemented + int newNum = r1.numerator * r2.denominator - r2.numerator * r1.denominator; + int newDenom = r1.denominator * r2.denominator; + return new Rational(newNum, newDenom); } // TODO: Instance method - this * other // Formula: (a/b) * (c/d) = (a*c) / (b*d) public Rational multiply(Rational other) { - // YOUR CODE HERE - return null; // Remove this line when implemented + int newNum = this.numerator * other.numerator; + int newDenom = this.denominator * other.denominator; + return new Rational(newNum, newDenom); } // TODO: Static method - r1 * r2 public static Rational multiply(Rational r1, Rational r2) { - // YOUR CODE HERE - return null; // Remove this line when implemented + int newNum = r1.numerator * r2.numerator; + int newDenom = r1.denominator * r2.denominator; + return new Rational(newNum, newDenom); } // TODO: Instance method - this / other // Formula: (a/b) รท (c/d) = (a*d) / (b*c) public Rational divide(Rational other) { - // YOUR CODE HERE - // HINT: Division is multiplication by reciprocal - // Don't forget to check if other.numerator is zero! - return null; // Remove this line when implemented + if (other.numerator == 0){ + throw new ArithmeticException("Cannot divide by zero"); + } + int newNum = this.numerator * other.denominator; + int newDenom = this.denominator * other.numerator; + return new Rational(newNum, newDenom); } // TODO: Static method - r1 / r2 public static Rational divide(Rational r1, Rational r2) { - // YOUR CODE HERE - return null; // Remove this line when implemented + if (r2.numerator == 0){ + throw new ArithmeticException("Cannot divide by zero"); + } + int newNum = r1.numerator * r2.denominator; + int newDenom = r1.denominator * r2.numerator; + + return new Rational(newNum, newDenom); } // PROVIDED - String representation diff --git a/src/main/java/movie/apis/Main.java b/src/main/java/movie/apis/Main.java index f0e713d..5b5649f 100644 --- a/src/main/java/movie/apis/Main.java +++ b/src/main/java/movie/apis/Main.java @@ -22,14 +22,18 @@ public class Main { case 2: // TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre() - + System.out.print("Enter genre ID: "); + Long genreId = scanner.nextLong(); + System.out.print("Enter page number: "); + Long page = scanner.nextLong(); + movieService.displayMoviesByGenre(genreId, page); break; - case 3: // TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails() - - + System.out.print("Enter movie ID: "); + Long movieId = scanner.nextLong(); + movieService.displayMovieDetails(movieId); break; case 0: diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index c8cc4e2..57a4634 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -10,15 +10,79 @@ public class Movie { private Long id; private String title; - private List genres; - private String images; + private List genres; + private List images; private String year; - private String imdbRating; + private String imdb_rating; private String country; // TODO: Create a constructor with all fields + public Movie(Long id, String title, List genres, List images, + String year, String imdb_rating, String country) { + this.id = id; + this.title = title; + this.genres = genres; + this.images = images; + this.year = year; + this.imdb_rating = imdb_rating; + this.country = country; + } // TODO: Create a simple constructor with id and title only + public Movie(Long id, String title) { + this.id = id; + this.title = title; + } + public Movie() { + } // TODO: Create getters and setters for all fields + public Long getId() { + return id; + } + public void setId(Long id) { + this.id = id; + } + + public String getTitle() { + return title; + } + public void setTitle(String title) { + this.title = title; + } + + public List getGenres() { + return genres; + } + public void setGenres(List genres) { + this.genres = genres; + } + + public List getImages() { + return images; + } + public void setImages(List images) { + this.images = images; + } + + public String getYear() { + return year; + } + public void setYear(String year) { + this.year = year; + } + + public String getImdb_rating() { + return imdb_rating; + } + public void setImdb_rating(String imdb_rating) { + this.imdb_rating = imdb_rating; + } + + public String getCountry() { + return country; + } + public void setCountry(String country) { + this.country = country; + } } \ No newline at end of file diff --git a/src/main/java/movie/apis/MovieService.java b/src/main/java/movie/apis/MovieService.java index cbbe70b..3d7877d 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -105,7 +105,27 @@ public class MovieService { // TODO: Write your code here // All parsing code must be inside try-catch try { - // Your code here + String jsonResponse = getMoviesByGenreList(genreId, page); + + if (jsonResponse == null) { + System.out.println("No movies found."); + return; + } + + JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject(); + JsonArray moviesArray = rootObject.getAsJsonArray("movies"); + + for (JsonElement element : moviesArray) { + JsonObject movieObject = element.getAsJsonObject(); + Long id = movieObject.get("id").getAsLong(); + String title = movieObject.get("title").getAsString(); + String year = movieObject.get("year").getAsString(); + + System.out.println("ID: " + id + " | " + title + " (" + year + ")"); + } + + System.out.println("Total: " + rootObject.get("total").getAsInt()); + System.out.println("Total Pages: " + rootObject.get("total_pages").getAsInt()); } catch (Exception e) { System.err.println("ERROR: " + e.getMessage()); @@ -120,12 +140,17 @@ public class MovieService { private String getMovieById(Long movieId) { try { // TODO: Complete this method - // String url = MOVIE_BY_ID_URL + movieId; - // HttpRequest request = HttpRequest.newBuilder().uri(URI.create(url)).build(); - // HttpResponse response = client.send(request, HttpResponse.BodyHandlers.ofString()); - // if (response.statusCode() == 200) return response.body(); + String url = MOVIE_BY_ID_URL + movieId; + HttpRequest request = HttpRequest.newBuilder().uri(URI.create(url)).build(); + HttpResponse response = client.send(request, HttpResponse.BodyHandlers.ofString()); + if (response.statusCode() == 200){ + return response.body(); + } + else { + System.out.println("Unable to fetch movie details. Status code: " + response.statusCode()); + return null; + } - return null; } catch (Exception e) { System.out.println("!!Exception : " + e.getMessage()); }