From cd2006ec94d9d4d7efa59addf7520e22072481a4 Mon Sep 17 00:00:00 2001 From: Saeed Jamali Date: Tue, 28 Apr 2026 18:50:49 +0330 Subject: [PATCH 1/6] Implement Rational class --- src/main/java/Rational/Rational.java | 33 +++++++++++++++------------- 1 file changed, 18 insertions(+), 15 deletions(-) diff --git a/src/main/java/Rational/Rational.java b/src/main/java/Rational/Rational.java index 7bd840e..e55495b 100644 --- a/src/main/java/Rational/Rational.java +++ b/src/main/java/Rational/Rational.java @@ -7,7 +7,8 @@ public class Rational { // Constructor public Rational(int numerator, int denominator) { if (denominator == 0) { - throw new IllegalArgumentException("Denominator cannot be zero"); +// throw new IllegalArgumentException("Denominator cannot be zero"); + System.out.println("Error: denominator cannot be zero"); } this.numerator = numerator; this.denominator = denominator; @@ -54,42 +55,44 @@ 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 newNumerator = this.numerator * other.denominator - other.numerator * this.denominator; + int newDenominator = this.denominator * other.denominator; + return new Rational(newNumerator, newDenominator); } // TODO: Static method - r1 - r2 public static Rational subtract(Rational r1, Rational r2) { - // YOUR CODE HERE - return null; // Remove this line when implemented + return r1.subtract(r2); } // 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 newNumerator = this.numerator * other.numerator; + int newDenominator = this.denominator * other.denominator; + return new Rational(newNumerator, newDenominator); } // TODO: Static method - r1 * r2 public static Rational multiply(Rational r1, Rational r2) { - // YOUR CODE HERE - return null; // Remove this line when implemented + return r1.multiply(r2); } // 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 + int newNumerator = this.numerator * other.denominator; + int newDenominator = this.denominator * other.numerator; + if (newDenominator == 0) { + System.out.println("Can't divide: new denominator is zero"); + return null; + } + return new Rational(newNumerator, newDenominator); } // TODO: Static method - r1 / r2 public static Rational divide(Rational r1, Rational r2) { - // YOUR CODE HERE - return null; // Remove this line when implemented + return r1.divide(r2); } // PROVIDED - String representation -- 2.54.0 From 80b5a6b69654b85bbafa811119f0c08a0bc1e172 Mon Sep 17 00:00:00 2001 From: Saeed Jamali Date: Tue, 28 Apr 2026 19:11:14 +0330 Subject: [PATCH 2/6] Implement Movie.java class-add all getters and setters + constructor method --- src/main/java/movie/apis/Movie.java | 72 +++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index 969774a..8de231f 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -16,9 +16,81 @@ public class Movie { private String imdb_rating; private String country; + 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 constructor with all fields + public Movie(Long id, String title) { + this.id = id; + this.title = title; + } // TODO: Create a simple constructor with id and title only + 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; + } + + // TODO: Create getters and setters for all fields } \ No newline at end of file -- 2.54.0 From 0410d312b1998fe268bd5d3b280cfd96f84eab9f Mon Sep 17 00:00:00 2001 From: Saeed Jamali Date: Thu, 30 Apr 2026 14:32:11 +0330 Subject: [PATCH 3/6] Implement displayMoviesByGenre method --- src/main/java/movie/apis/MovieService.java | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/src/main/java/movie/apis/MovieService.java b/src/main/java/movie/apis/MovieService.java index 3f053f5..107b839 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -103,11 +103,26 @@ public class MovieService { * PUT ALL PARSING CODE INSIDE try-catch */ public void displayMoviesByGenre(Long genreId, Long page) { + // TODO: Write your code here // All parsing code must be inside try-catch try { - // Your code here + String jsonResponse = getMoviesByGenreList(genreId, page); + JsonObject jsonObject = JsonParser.parseString(jsonResponse).getAsJsonObject(); + JsonArray jsonMovies = jsonObject.getAsJsonArray("movies"); + System.out.println("\nMovies for genre " + genreId + " (Page " + page + "):"); + for (JsonElement element: jsonMovies) { + JsonObject movie = element.getAsJsonObject(); + long id = movie.get("id").getAsLong(); + String title = movie.get("title").getAsString(); + String year = movie.get("year").getAsString(); + System.out.println("ID: " + id + " | " + title + " (" + year + ")"); + } + long total = jsonObject.get("total").getAsLong(); + long totalPages = jsonObject.get("total_pages").getAsLong(); + System.out.println("Total: " + total +"\n" + "Total pages: " + totalPages); + // Your code here } catch (Exception e) { System.err.println("ERROR: " + e.getMessage()); } -- 2.54.0 From f61a0183e96b4be8c55d3c00d314b87da40a7147 Mon Sep 17 00:00:00 2001 From: Saeed Jamali Date: Thu, 30 Apr 2026 14:40:12 +0330 Subject: [PATCH 4/6] Implement second option in menu- displaying movies by genre --- src/main/java/movie/apis/Main.java | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/main/java/movie/apis/Main.java b/src/main/java/movie/apis/Main.java index f0e713d..af47044 100644 --- a/src/main/java/movie/apis/Main.java +++ b/src/main/java/movie/apis/Main.java @@ -21,6 +21,13 @@ public class Main { break; case 2: + System.out.println("Please enter genre ID: "); + long genreId = scanner.nextLong(); + scanner.nextLine(); + System.out.println("Enter page number: "); + long pageNum = scanner.nextLong(); + scanner.nextLine(); + movieService.displayMoviesByGenre(genreId, pageNum); // TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre() break; -- 2.54.0 From 68c1d8a5a0cb77b8f8835108b8e8eb890b1e2722 Mon Sep 17 00:00:00 2001 From: Saeed Jamali Date: Thu, 30 Apr 2026 15:11:40 +0330 Subject: [PATCH 5/6] add misssing fields along with getters and setters inside movie class --- src/main/java/movie/apis/Movie.java | 125 +++++++++++++++++++++++++++- 1 file changed, 124 insertions(+), 1 deletion(-) diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index 8de231f..2a7f2a3 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -15,9 +15,24 @@ public class Movie { private String year; private String imdb_rating; private String country; + private String actors; + private String awards; + private String director; + private String imdb_id; + private String imdb_votes; + private String metascore; + private String plot; + private String rated; + private String released; + private String runtime; + private String type; + private String writer; public Movie(Long id, String title, List genres, List images, - String year, String imdb_rating, String country) { + String year, String imdb_rating, String country, String actors, + String awards, String director, String imdb_id, String imdb_votes, + String metascore, String plot, String rated, String released, + String runtime, String type, String writer) { this.id = id; this.title = title; this.genres = genres; @@ -25,6 +40,18 @@ public class Movie { this.year = year; this.imdb_rating = imdb_rating; this.country = country; + this.actors = actors; + this.awards = awards; + this.director = director; + this.imdb_id = imdb_id; + this.imdb_votes = imdb_votes; + this.metascore = metascore; + this.plot = plot; + this.rated = rated; + this.released = released; + this.runtime = runtime; + this.type = type; + this.writer = writer; } // TODO: Create a constructor with all fields @@ -91,6 +118,102 @@ public class Movie { this.country = country; } + public String getActors() { + return actors; + } + + public void setActors(String actors) { + this.actors = actors; + } + + public String getAwards() { + return awards; + } + + public void setAwards(String awards) { + this.awards = awards; + } + + public String getDirector() { + return director; + } + + public void setDirector(String director) { + this.director = director; + } + + public String getImdb_id() { + return imdb_id; + } + + public void setImdb_id(String imdb_id) { + this.imdb_id = imdb_id; + } + + public String getImdb_votes() { + return imdb_votes; + } + + public void setImdb_votes(String imdb_votes) { + this.imdb_votes = imdb_votes; + } + + public String getMetascore() { + return metascore; + } + + public void setMetascore(String metascore) { + this.metascore = metascore; + } + + public String getPlot() { + return plot; + } + + public void setPlot(String plot) { + this.plot = plot; + } + + public String getRated() { + return rated; + } + + public void setRated(String rated) { + this.rated = rated; + } + + public String getReleased() { + return released; + } + + public void setReleased(String released) { + this.released = released; + } + + public String getRuntime() { + return runtime; + } + + public void setRuntime(String runtime) { + this.runtime = runtime; + } + + public String getType() { + return type; + } + + public void setType(String type) { + this.type = type; + } + + public String getWriter() { + return writer; + } + + public void setWriter(String writer) { + this.writer = writer; + } + // TODO: Create getters and setters for all fields } \ No newline at end of file -- 2.54.0 From 22b6e5fcdbf8bc7c5d371380590f343933f7755d Mon Sep 17 00:00:00 2001 From: Saeed Jamali Date: Thu, 30 Apr 2026 15:28:33 +0330 Subject: [PATCH 6/6] implement final changes for displaying movie by ID inside movie service and main --- src/main/java/movie/apis/Main.java | 3 +++ src/main/java/movie/apis/MovieService.java | 25 ++++++++++++++++++---- 2 files changed, 24 insertions(+), 4 deletions(-) diff --git a/src/main/java/movie/apis/Main.java b/src/main/java/movie/apis/Main.java index af47044..324f583 100644 --- a/src/main/java/movie/apis/Main.java +++ b/src/main/java/movie/apis/Main.java @@ -34,6 +34,9 @@ public class Main { case 3: + System.out.println("Please enter movie ID: "); + long movieID = scanner.nextLong(); + movieService.displayMovieDetails(movieID); // TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails() diff --git a/src/main/java/movie/apis/MovieService.java b/src/main/java/movie/apis/MovieService.java index 107b839..c8fd127 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -136,10 +136,10 @@ 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(); return null; } catch (Exception e) { @@ -196,6 +196,23 @@ public class MovieService { return; } try { + JsonObject movieObject = JsonParser.parseString(jsonResponse).getAsJsonObject(); + Gson gson = new Gson(); + Movie movie = gson.fromJson(jsonResponse, Movie.class); + System.out.println("________________________ " + movie.getTitle().toUpperCase()+ " (" + movie.getYear() + + ") ________________________"); + System.out.println("IMDB rating: " + movie.getImdb_rating() + + " | Votes: " + movie.getImdb_votes()); + System.out.println("Director: " + movie.getDirector()); + System.out.println("Cast: " + movie.getActors()); + System.out.println("Genre: " + movie.getGenres()); + System.out.println("Runtime: " + movie.getRuntime() + + " | Rated: " + movie.getRated()); + System.out.println("Country: " + movie.getCountry() + + " | Released: " + movie.getReleased()); + System.out.println("Plot: " + movie.getPlot()); + System.out.println("Awards: " + movie.getAwards()); + // TODO: Parse jsonResponse to JsonObject // HINT: Use JsonParser.parseString(jsonResponse).getAsJsonObject() // TODO: use Gson to parse the json -- 2.54.0