From fe81e61fb25f97ed6ffec728c8e473725df666d3 Mon Sep 17 00:00:00 2001 From: HadiSharifi Date: Mon, 27 Apr 2026 17:23:55 +0330 Subject: [PATCH 1/7] change pom.xml to use JDK21 --- pom.xml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/pom.xml b/pom.xml index 111501f..8ed2bb9 100644 --- a/pom.xml +++ b/pom.xml @@ -9,8 +9,8 @@ 1.0-SNAPSHOT - 23 - 23 + 21 + 21 UTF-8 -- 2.54.0 From c0e959a486b0fbda6d502e8787868f512f0d2289 Mon Sep 17 00:00:00 2001 From: HadiSharifi Date: Mon, 27 Apr 2026 17:34:26 +0330 Subject: [PATCH 2/7] implement all methods in Rational file --- src/main/java/Rational/Rational.java | 41 +++++++++++----------------- 1 file changed, 16 insertions(+), 25 deletions(-) diff --git a/src/main/java/Rational/Rational.java b/src/main/java/Rational/Rational.java index 7bd840e..b9fd677 100644 --- a/src/main/java/Rational/Rational.java +++ b/src/main/java/Rational/Rational.java @@ -51,48 +51,39 @@ 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.denominator == 0) { + throw new IllegalArgumentException("Denominator cannot be zero"); + } + int newNumerator = this.numerator * other.denominator; + int newDenominator = this.denominator * other.numerator; + 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 @Override public String toString() { if (denominator == 1) { @@ -101,7 +92,7 @@ public class Rational { return numerator + "/" + denominator; } - // PROVIDED - Decimal value + public double toDouble() { return (double) numerator / denominator; } -- 2.54.0 From f7d492399e74ac82056599f1ef7f0460bee9fe10 Mon Sep 17 00:00:00 2001 From: HadiSharifi Date: Mon, 27 Apr 2026 17:40:56 +0330 Subject: [PATCH 3/7] implement all methods in Movie file --- src/main/java/movie/apis/Movie.java | 71 +++++++++++++++++++++++++++-- 1 file changed, 68 insertions(+), 3 deletions(-) diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index 969774a..61c067b 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -16,9 +16,74 @@ public class Movie { 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; + } - // 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 -- 2.54.0 From d6b1ea2542ce7612ab986be3f6192b86d7e1f614 Mon Sep 17 00:00:00 2001 From: HadiSharifi Date: Mon, 27 Apr 2026 19:39:44 +0330 Subject: [PATCH 4/7] add the remaining fields to Movie class --- .idea/jsonSchemas.xml | 27 +++++++++ src/main/java/movie/apis/Movie.java | 87 ++++++++++++++++++++++++++++- 2 files changed, 113 insertions(+), 1 deletion(-) create mode 100644 .idea/jsonSchemas.xml diff --git a/.idea/jsonSchemas.xml b/.idea/jsonSchemas.xml new file mode 100644 index 0000000..ddd0e82 --- /dev/null +++ b/.idea/jsonSchemas.xml @@ -0,0 +1,27 @@ + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index 61c067b..44468dd 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -6,6 +6,7 @@ import java.util.List; * Model class representing a movie * Fields: id, title, genres, images */ + public class Movie { private Long id; @@ -15,8 +16,25 @@ public class Movie { private String year; private String imdb_rating; private String country; + private String director; + private String actors; + private String awards; + 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; + private String poster; + + public Movie(Long id, String title, List genres, List images, String year, + String imdb_rating, String country, String director, String actors, String awards, + String imdb_id, String imdb_votes, String metascore, String plot, String rated, + String released, String runtime, String type, String writer, String poster) { - 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; @@ -24,6 +42,20 @@ public class Movie { this.year = year; this.imdb_rating = imdb_rating; this.country = country; + this.director = director; + this.actors = actors; + this.awards = awards; + 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; + this.poster = poster; + } public Movie(Long id, String title) { @@ -86,4 +118,57 @@ public class Movie { public void setCountry(String country) { this.country = country; } + + public String getDirector() { return director; } + + public void setDirector(String director) { this.director = director; } + + 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 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; } + + public String getPoster() { return poster; } + + public void setPoster(String poster) { this.poster = poster; } + } \ No newline at end of file -- 2.54.0 From 15391453743a69a90ba61a704249b3d99905079a Mon Sep 17 00:00:00 2001 From: HadiSharifi Date: Mon, 27 Apr 2026 19:45:33 +0330 Subject: [PATCH 5/7] complete existing methods and implement printMovie method in MovieServices class --- src/main/java/movie/apis/MovieService.java | 119 ++++++++------------- 1 file changed, 47 insertions(+), 72 deletions(-) diff --git a/src/main/java/movie/apis/MovieService.java b/src/main/java/movie/apis/MovieService.java index 3f053f5..f169f7c 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -87,26 +87,25 @@ 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) { - // TODO: Write your code here - // All parsing code must be inside try-catch + String jsonResponse = getMoviesByGenreList(genreId, page); try { - // Your code here + if (jsonResponse == null) { + System.out.println("Failed to get movies"); + return; + } + JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject(); + JsonArray moviesArray = rootObject.getAsJsonArray("movies"); + Gson gson = new Gson(); + List movies = gson.fromJson(moviesArray, new TypeToken>() {}); + for (Movie movie : movies) { + System.out.println("ID: " + movie.getId() + " | " + movie.getTitle() + "(" + movie.getYear() + ")"); + } + int total = rootObject.get("total").getAsInt(); + int totalPages = rootObject.get("total_pages").getAsInt(); + System.out.println("Total movies: " +total); + System.out.println("Total pages: " +totalPages); } catch (Exception e) { System.err.println("ERROR: " + e.getMessage()); @@ -114,79 +113,55 @@ 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(); + 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; + } - 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) + String jsonResponse = getMovieById(movieId); 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 rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject(); + Gson gson = new Gson(); + Movie movie = gson.fromJson(rootObject, Movie.class); + printMovie(movie); } catch (Exception e) { System.err.println("ERROR parsing movie details: " + e.getMessage()); } } + + private void printMovie(Movie movie) { + System.out.println("=".repeat(70)); + System.out.println(" ".repeat(20) + movie.getTitle() + " (" + movie.getYear() + ")"); + System.out.println("=".repeat(70)); + System.out.println("Rating: " + movie.getImdb_rating() + "/10" + " | " + "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()); + System.out.println("=".repeat(70)); + } } \ No newline at end of file -- 2.54.0 From 1a6f0a7c41d21329beb5909d9cd2f7ed7fefde6b Mon Sep 17 00:00:00 2001 From: HadiSharifi Date: Mon, 27 Apr 2026 19:49:32 +0330 Subject: [PATCH 6/7] cmplete Main class --- src/main/java/movie/apis/Main.java | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/src/main/java/movie/apis/Main.java b/src/main/java/movie/apis/Main.java index f0e713d..9ed9cfd 100644 --- a/src/main/java/movie/apis/Main.java +++ b/src/main/java/movie/apis/Main.java @@ -21,15 +21,17 @@ 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 pages = getLongInput("Enter page number: "); + movieService.displayMoviesByGenre(genreId, pages); 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 9acd7ae4884f1ff7b437f4d0852eb9108bfb3f99 Mon Sep 17 00:00:00 2001 From: HadiSharifi Date: Tue, 28 Apr 2026 09:37:50 +0330 Subject: [PATCH 7/7] remove printMovie method from MovieService and override tostring method in Movie class --- src/main/java/movie/apis/Movie.java | 17 +++++++++++++++++ src/main/java/movie/apis/MovieService.java | 16 +--------------- 2 files changed, 18 insertions(+), 15 deletions(-) diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index 44468dd..27de854 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -171,4 +171,21 @@ public class Movie { public void setPoster(String poster) { this.poster = poster; } + @Override + public String toString() { + String result = "=".repeat(70) + "\n" + + " ".repeat(20) + this.getTitle() + " (" + this.getYear() + ")" + "\n" + + "=".repeat(70) + "\n" + + "Rating: " + this.getImdb_rating() + "/10" + " | " + "Votes: " + this.getImdb_votes() + "\n" + + "Director: " + this.getDirector() + "\n" + + "Cast: " + this.getActors() + "\n" + + "Genre: " + this.getGenres() + "\n" + + "Runtime: " + this.getRuntime() + " | " + "Rated: " + this.getRated() + "\n" + + "Country: " + this.getCountry() + " | " + "Released: " + this.getReleased() + "\n" + + "Plot: " + this.getPlot() + "\n" + + "Awards: " + this.getAwards() + "\n" + + "=".repeat(70); + return result; + } + } \ 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 f169f7c..366cddf 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -144,24 +144,10 @@ public class MovieService { JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject(); Gson gson = new Gson(); Movie movie = gson.fromJson(rootObject, Movie.class); - printMovie(movie); + System.out.println(movie); } catch (Exception e) { System.err.println("ERROR parsing movie details: " + e.getMessage()); } } - private void printMovie(Movie movie) { - System.out.println("=".repeat(70)); - System.out.println(" ".repeat(20) + movie.getTitle() + " (" + movie.getYear() + ")"); - System.out.println("=".repeat(70)); - System.out.println("Rating: " + movie.getImdb_rating() + "/10" + " | " + "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()); - System.out.println("=".repeat(70)); - } } \ No newline at end of file -- 2.54.0