From 34e97c6a5ba8968c1c4084b69352681ca7a8f179 Mon Sep 17 00:00:00 2001 From: Fateme Azizi Date: Tue, 28 Apr 2026 11:42:15 +0330 Subject: [PATCH 1/7] implement Movie.java --- src/main/java/movie/apis/Movie.java | 41 ++++++++++++++++++++++++++--- 1 file changed, 38 insertions(+), 3 deletions(-) diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index 969774a..3960214 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -16,9 +16,44 @@ public class Movie { private String imdb_rating; private String country; - // TODO: Create a constructor with all fields - // TODO: Create a simple constructor with id and title only + 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; + } + + + public Movie(Long id, String title) { + this.id = id; + this.title = title; + } + + 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 83287eeb842d2ae1d7e3f4d1884d5093f820e352 Mon Sep 17 00:00:00 2001 From: Fateme Azizi Date: Wed, 29 Apr 2026 07:09:17 +0330 Subject: [PATCH 2/7] implement displayMoviesByGenre method --- src/main/java/movie/apis/MovieService.java | 30 +++++++++++++++++++--- 1 file changed, 27 insertions(+), 3 deletions(-) diff --git a/src/main/java/movie/apis/MovieService.java b/src/main/java/movie/apis/MovieService.java index 3f053f5..94129f1 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -103,10 +103,34 @@ 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 + + String jsonResponse = getMoviesByGenreList(genreId, page); + + if (jsonResponse == null) { + System.out.println("Failed to get genres"); + return; + } + try { - // Your code here + JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject(); + JsonArray moviesArray = rootObject.getAsJsonArray("movies"); + Type movieListType = new TypeToken>(){}.getType(); + + Gson gson = new Gson(); + List movies = gson.fromJson(moviesArray, movieListType); + int total = rootObject.get("total").getAsInt(); + int totalPages = rootObject.get("total_pages").getAsInt(); + + for(int i=0 ; i Date: Thu, 30 Apr 2026 11:04:41 +0330 Subject: [PATCH 3/7] add extra fields to Movie.java --- src/main/java/movie/apis/Movie.java | 70 ++++++++++++++++++++++++++++- 1 file changed, 69 insertions(+), 1 deletion(-) diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index 3960214..f5fca26 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -15,7 +15,18 @@ 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 int imdb_votes; + private int 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) { @@ -34,6 +45,29 @@ public class Movie { this.title = title; } + public Movie(Long id, String title, List genres, List images, + String year, String imdb_rating, String country, String actors, String awards, + String director, String imdb_id, int imdb_votes, int metascore, String plot, + String rated, String released, String runtime, String type, String writer) { + + this(id, title, genres, images, year, imdb_rating, 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; + } + + + public Long getId() {return id;} public void setId(Long id ) {this.id = id;} @@ -55,5 +89,39 @@ public class Movie { public String getCountry() {return country;} public void setCountry(String country) {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 int getImdb_votes() {return imdb_votes;} + public void setImdb_votes(int imdb_votes) {this.imdb_votes = imdb_votes;} + + public int getMetascore() {return metascore;} + public void setMetascore(int 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;} } \ No newline at end of file -- 2.54.0 From f1fdec02e5ee7936677cbbd343f4246e14f7e0ec Mon Sep 17 00:00:00 2001 From: Fateme Azizi Date: Thu, 30 Apr 2026 12:17:44 +0330 Subject: [PATCH 4/7] Change type of imdb_votes from int to String --- src/main/java/movie/apis/Movie.java | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index f5fca26..222d7f5 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -19,7 +19,7 @@ public class Movie { private String awards; private String director; private String imdb_id; - private int imdb_votes; + private String imdb_votes; private int metascore; private String plot; private String rated; @@ -47,7 +47,7 @@ public class Movie { public Movie(Long id, String title, List genres, List images, String year, String imdb_rating, String country, String actors, String awards, - String director, String imdb_id, int imdb_votes, int metascore, String plot, + String director, String imdb_id, String imdb_votes, int metascore, String plot, String rated, String released, String runtime, String type, String writer) { this(id, title, genres, images, year, imdb_rating, country); @@ -101,8 +101,8 @@ public class Movie { public String getImdb_id() {return imdb_id;} public void setImdb_id(String imdb_id) {this.imdb_id = imdb_id;} - public int getImdb_votes() {return imdb_votes;} - public void setImdb_votes(int imdb_votes) {this.imdb_votes = imdb_votes;} + public String getImdb_votes() {return imdb_votes;} + public void setImdb_votes(String imdb_votes) {this.imdb_votes = imdb_votes;} public int getMetascore() {return metascore;} public void setMetascore(int metascore) {this.metascore = metascore;} -- 2.54.0 From fa484e42757ab1ef765a95b83f92fc6c92bf7cd5 Mon Sep 17 00:00:00 2001 From: Fateme Azizi Date: Thu, 30 Apr 2026 12:44:48 +0330 Subject: [PATCH 5/7] implement MovieService.java --- src/main/java/movie/apis/MovieService.java | 100 +++++++-------------- 1 file changed, 32 insertions(+), 68 deletions(-) diff --git a/src/main/java/movie/apis/MovieService.java b/src/main/java/movie/apis/MovieService.java index 94129f1..4e7fa9a 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -87,21 +87,7 @@ public class MovieService { } } - /** - * TODO 1: Display movies for a specific genre and page - * - * Open this link in your browser (and check Pretty-print checkbox) to view json format: - * https://api.meshcomp.ir/api/v1/genres/1/movies - * - * Steps: - * - Call getMoviesByGenreList(genreId, page) to get JSON - * - Parse JSON to JsonObject - * - Get "movies" array (NOT "data") - * - Loop through array and print: "ID: {id} | {title} ({year})" - * - Also print total and total_pages - * - * PUT ALL PARSING CODE INSIDE try-catch - */ + public void displayMoviesByGenre(Long genreId, Long page) { String jsonResponse = getMoviesByGenreList(genreId, page); @@ -138,77 +124,55 @@ public class MovieService { } - /** - * BONUS: Fetch movie details from API using movie ID - * URL format: https://api.meshcomp.ir/api/v1/movies/{movieId} - */ 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(); - return null; + 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("HTTP error code: " + response.statusCode()); + return null; + } } catch (Exception e) { System.out.println("!!Exception : " + e.getMessage()); } return null; } - /* - BONUS TODO: Display complete movie details for a given movie ID - - Open this link in your browser (and check Pretty-print checkbox) to view json format: - https://api.meshcomp.ir/api/v1/movies/1 - - INSTRUCTIONS: - 1. Call getMovieById(movieId) to get the JSON response string - 2. Check if response is null (if yes, print error and return) - 3. Parse the JSON string to JsonObject (inside try-catch) - 4. Use Gson to extract all fields from the JSON and map them to your Movie class: - - Add missing JSON fields to your Movie class first (actors, awards, director, - imdb_id, imdb_votes, metascore, plot, rated, released, runtime, type, writer) - - Then use Gson to parse your json string - 5. Print all movie details in a readable format - - (PUT ALL PARSING CODE INSIDE THE EXISTING try-catch) - */ - - /* EXAMPLE OUTPUT: - - ======================================================================= - THE SHAWSHANK REDEMPTION (1994) - ======================================================================= - Rating: 9.3/10 | Votes: 1,738,596 - Director: Frank Darabont - Cast: Tim Robbins, Morgan Freeman, Bob Gunton, William Sadler - Genre: Crime, Drama - Runtime: 142 min | Rated: R - Country: USA | Released: 14 Oct 1994 - Plot: Two imprisoned men bond over a number of years, finding - solace and eventual redemption through acts of common decency. - Awards: Nominated for 7 Oscars. Another 19 wins & 30 nominations. - ======================================================================= - - */ public void displayMovieDetails(Long movieId) { - // Step 1: Get JSON response from API + String jsonResponse = getMovieById(movieId); - // Step 2: Check if we got valid data - // Step 3-5: Parse JSON and display details (PUT YOUR CODE INSIDE try-catch) if (jsonResponse == null) { System.out.println("Failed to get movie details for ID: " + movieId); return; } try { - // TODO: Parse jsonResponse to JsonObject - // HINT: Use JsonParser.parseString(jsonResponse).getAsJsonObject() - // TODO: use Gson to parse the json - // Your code here: + + JsonObject jsonObject = JsonParser.parseString(jsonResponse).getAsJsonObject(); + + Gson gson = new Gson(); + Movie movie = gson.fromJson(jsonObject, Movie.class); + + System.out.println("=======================================================================\n" + + movie.getTitle() + " (" + movie.getYear() + ")" + + "\n======================================================================="); + + System.out.println("Rating: " + movie.getImdb_rating() + " | votes: " + movie.getImdb_votes() + + "\nDirector: " + movie.getDirector() + + "\nWriter(s): " + movie.getWriter() + + "\nCast: " + movie.getActors() + + "\nGenre: " + movie.getGenres() + + "\nRuntime: " + movie.getRuntime() + " | Rated: " + movie.getRated() + + "\nCountry: " + movie.getCountry() + " | Released: " + movie.getReleased() + + "\nplot: " + movie.getPlot() + + "\nAwards: " + movie.getAwards() + + "\n======================================================================="); + } catch (Exception e) { System.err.println("ERROR parsing movie details: " + e.getMessage()); } -- 2.54.0 From 34c42b10ab52ca8f4464e63ff2210a7386fe82c1 Mon Sep 17 00:00:00 2001 From: Fateme Azizi Date: Thu, 30 Apr 2026 12:58:24 +0330 Subject: [PATCH 6/7] implement Main.java --- src/main/java/movie/apis/Main.java | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/src/main/java/movie/apis/Main.java b/src/main/java/movie/apis/Main.java index f0e713d..b96fde1 100644 --- a/src/main/java/movie/apis/Main.java +++ b/src/main/java/movie/apis/Main.java @@ -21,15 +21,15 @@ public class Main { break; case 2: - // TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre() - + Long genreId = getLongInput("Enter genre ID: "); + Long page = getLongInput("Enter page: "); + movieService.displayMoviesByGenre(genreId, page); break; case 3: - // TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails() - - + Long movieId = getLongInput("Enter movie ID: "); + movieService.displayMovieDetails(movieId); break; case 0: -- 2.54.0 From 56d0cf929334c3706e55fdd881a9377604a14d2b Mon Sep 17 00:00:00 2001 From: Fateme Azizi Date: Thu, 30 Apr 2026 13:29:58 +0330 Subject: [PATCH 7/7] implement Rational.java --- src/main/java/Rational/Rational.java | 41 ++++++++++++---------------- 1 file changed, 18 insertions(+), 23 deletions(-) diff --git a/src/main/java/Rational/Rational.java b/src/main/java/Rational/Rational.java index 7bd840e..17dd9e4 100644 --- a/src/main/java/Rational/Rational.java +++ b/src/main/java/Rational/Rational.java @@ -51,45 +51,40 @@ public class Rational { return r1.add(r2); } - // 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 + if(other.numerator == 0) { + throw new IllegalArgumentException("Cannot divide by a zero numerator"); + } + Rational reversed = new Rational(other.denominator, other.numerator); + return Rational.multiply(reversed, this); } - // 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