Compare commits
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4549dbf135 |
@@ -51,45 +51,43 @@ public class Rational {
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return r1.add(r2);
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return r1.add(r2);
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}
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}
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// TODO: Instance method - this - other
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// Formula: a/b - c/d = (a*d - c*b) / (b*d)
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// Formula: a/b - c/d = (a*d - c*b) / (b*d)
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public Rational subtract(Rational other) {
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public Rational subtract(Rational other) {
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// YOUR CODE HERE
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Rational result;
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return null; // Remove this line when implemented
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result = new Rational(this.numerator * other.denominator - other.numerator * this.denominator,
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this.denominator * other.denominator);
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return result;
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}
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}
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// TODO: Static method - r1 - r2
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public static Rational subtract(Rational r1, Rational r2) {
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public static Rational subtract(Rational r1, Rational r2) {
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// YOUR CODE HERE
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return r1.subtract(r2);
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return null; // Remove this line when implemented
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}
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}
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// TODO: Instance method - this * other
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// Formula: (a/b) * (c/d) = (a*c) / (b*d)
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// Formula: (a/b) * (c/d) = (a*c) / (b*d)
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public Rational multiply(Rational other) {
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public Rational multiply(Rational other) {
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// YOUR CODE HERE
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Rational result;
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return null; // Remove this line when implemented
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result = new Rational(this.numerator * other.numerator, this.denominator * other.denominator);
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return result;
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}
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}
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// TODO: Static method - r1 * r2
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public static Rational multiply(Rational r1, Rational r2) {
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public static Rational multiply(Rational r1, Rational r2) {
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// YOUR CODE HERE
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return r1.multiply(r2);
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return null; // Remove this line when implemented
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}
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}
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// TODO: Instance method - this / other
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// Formula: (a/b) ÷ (c/d) = (a*d) / (b*c)
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// Formula: (a/b) ÷ (c/d) = (a*d) / (b*c)
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public Rational divide(Rational other) {
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public Rational divide(Rational other) {
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// YOUR CODE HERE
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if (other.numerator == 0){
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// HINT: Division is multiplication by reciprocal
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System.out.println("Can't divide by zero.");
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// Don't forget to check if other.numerator is zero!
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return null;
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return null; // Remove this line when implemented
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}
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Rational otherReversed = new Rational(other.denominator, other.numerator);
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return this.multiply(otherReversed);
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}
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}
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// TODO: Static method - r1 / r2
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public static Rational divide(Rational r1, Rational r2) {
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public static Rational divide(Rational r1, Rational r2) {
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// YOUR CODE HERE
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return r1.divide(r2);
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return null; // Remove this line when implemented
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}
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}
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// PROVIDED - String representation
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// PROVIDED - String representation
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@@ -22,14 +22,24 @@ public class Main {
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case 2:
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case 2:
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// TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre()
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// TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre()
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Long gnereID;
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Long pageNo;
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System.out.println("Enter genre ID : ");
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gnereID = scanner.nextLong();
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System.out.println("Enter page number : ");
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pageNo = scanner.nextLong();
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movieService.displayMoviesByGenre(gnereID,pageNo);
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break;
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break;
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case 3:
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case 3:
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// TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails()
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// TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails()
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Long movieID;
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System.out.println("Enter your movie's ID :");
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movieID = scanner.nextLong();
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movieService.displayMovieDetails(movieID);
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break;
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break;
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case 0:
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case 0:
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@@ -16,9 +16,183 @@ public class Movie {
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private String imdb_rating;
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private String imdb_rating;
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private String country;
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private String country;
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// TODO: Create a constructor with all fields
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private String actors;
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private String awards;
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private String director;
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private String imdb_id;
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private String imdb_votes;
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private String metascore;
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private String plot;
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private String rated;
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private String released;
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private String runtime;
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private String type;
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private String writer;
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// TODO: Create a simple constructor with id and title only
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public Movie(Long id, String title, List<String> genres, List<String> images, String year, String imdb_rating, String country) {
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this.id = id;
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this.title = title;
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this.genres = genres;
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this.images = images;
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this.year = year;
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this.imdb_rating = imdb_rating;
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this.country = country;
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}
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// TODO: Create getters and setters for all fields
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public Movie(Long id, String title) {
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this.id = id;
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this.title = title;
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}
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public Long getId() {
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return id;
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}
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public String getTitle() {
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return title;
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}
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public List<String> getGenres() {
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return genres;
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}
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public List<String> getImages() {
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return images;
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}
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public String getYear() {
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return year;
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}
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public String getImdb_rating() {
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return imdb_rating;
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}
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public String getCountry() {
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return country;
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}
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public String getActors() {
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return actors;
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}
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public String getAwards() {
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return awards;
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}
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public String getDirector() {
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return director;
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}
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public String getImdb_id() {
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return imdb_id;
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}
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public String getImdb_votes() {
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return imdb_votes;
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}
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public String getMetascore() {
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return metascore;
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}
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public String getPlot() {
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return plot;
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}
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public String getRated() {
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return rated;
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}
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public String getReleased() {
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return released;
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}
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public String getRuntime() {
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return runtime;
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}
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public String getType() {
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return type;
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}
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public String getWriter() {
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return writer;
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}
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public void setId(Long id) {
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this.id = id;
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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 void setGenres(List<String> genres) {
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this.genres = genres;
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}
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public void setImages(List<String> images) {
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this.images = images;
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}
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public void setYear(String year) {
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this.year = year;
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}
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public void setImdb_rating(String imdb_rating) {
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this.imdb_rating = imdb_rating;
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}
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public void setCountry(String country) {
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this.country = country;
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}
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public void setActors(String actors) {
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this.actors = actors;
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}
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public void setAwards(String awards) {
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this.awards = awards;
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}
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public void setDirector(String director) {
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this.director = director;
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}
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public void setImdb_id(String imdb_id) {
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this.imdb_id = imdb_id;
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}
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public void setImdb_votes(String imdb_votes) {
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this.imdb_votes = imdb_votes;
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}
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public void setMetascore(String metascore) {
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this.metascore = metascore;
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}
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public void setPlot(String plot) {
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this.plot = plot;
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}
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public void setRated(String rated) {
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this.rated = rated;
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}
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public void setReleased(String released) {
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this.released = released;
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}
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public void setRuntime(String runtime) {
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this.runtime = runtime;
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}
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public void setType(String type) {
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this.type = type;
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}
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public void setWriter(String writer) {
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this.writer = writer;
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}
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}
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}
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@@ -1,5 +1,6 @@
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package movie.apis;
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package movie.apis;
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import com.fasterxml.jackson.databind.util.JSONPObject;
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import com.google.gson.*;
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import com.google.gson.*;
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import com.google.gson.reflect.TypeToken;
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import com.google.gson.reflect.TypeToken;
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@@ -103,10 +104,19 @@ public class MovieService {
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* PUT ALL PARSING CODE INSIDE try-catch
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* PUT ALL PARSING CODE INSIDE try-catch
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*/
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*/
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public void displayMoviesByGenre(Long genreId, Long page) {
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public void displayMoviesByGenre(Long genreId, Long page) {
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// TODO: Write your code here
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// All parsing code must be inside try-catch
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try {
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try {
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// Your code here
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String jsonInString = getMoviesByGenreList(genreId,page);
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JsonObject movJsonObj = JsonParser.parseString(jsonInString).getAsJsonObject();
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JsonArray movies = movJsonObj.getAsJsonArray("movies");
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List<Movie> moviesList= new ArrayList<>();
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for (int i = 0; i < movies.size(); i++) {
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JsonObject movie = movies.get(i).getAsJsonObject();
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System.out.println("ID: " + movie.get("id") + " | " + movie.get("title") + " (" + movie.get("year") + ")");
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}
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System.out.println("Total : " + movies.size() + ", Total pages : " + page);
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} catch (Exception e) {
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} catch (Exception e) {
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System.err.println("ERROR: " + e.getMessage());
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System.err.println("ERROR: " + e.getMessage());
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@@ -121,10 +131,10 @@ public class MovieService {
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private String getMovieById(Long movieId) {
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private String getMovieById(Long movieId) {
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try {
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try {
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// TODO: Complete this method
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// TODO: Complete this method
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// String url = MOVIE_BY_ID_URL + movieId;
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String url = MOVIE_BY_ID_URL + movieId;
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// HttpRequest request = HttpRequest.newBuilder().uri(URI.create(url)).build();
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HttpRequest request = HttpRequest.newBuilder().uri(URI.create(url)).build();
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// HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
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HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
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// if (response.statusCode() == 200) return response.body();
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if (response.statusCode() == 200) return response.body();
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return null;
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return null;
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} catch (Exception e) {
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} catch (Exception e) {
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@@ -181,10 +191,21 @@ public class MovieService {
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return;
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return;
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}
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}
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try {
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try {
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// TODO: Parse jsonResponse to JsonObject
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JsonObject movies = JsonParser.parseString(jsonResponse).getAsJsonObject();
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// HINT: Use JsonParser.parseString(jsonResponse).getAsJsonObject()
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Gson gson = new Gson();
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// TODO: use Gson to parse the json
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Movie movie = gson.fromJson(movies, Movie.class);
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// Your code here:
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System.out.println("======================================================================");
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System.out.println(" " + movie.getTitle() + " (" + movie.getYear() +")");
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System.out.println("======================================================================");
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System.out.println("Rating : " + movie.getImdb_rating() + " | " + "Votes : " + movie.getImdb_votes());
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System.out.println("Director : " + movie.getDirector());
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System.out.println("Cast : " + movie.getActors());
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System.out.println("Genre : " + movie.getGenres());
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System.out.println("Runtime : " + movie.getRuntime() + " | " + "Rated : " + movie.getRated());
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System.out.println("Country : " + movie.getCountry() + " | " + "Released : " + movie.getReleased());
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System.out.println("Plot : " + movie.getPlot());
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System.out.println("Awards : " + movie.getAwards());
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System.out.println("======================================================================");
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} catch (Exception e) {
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} catch (Exception e) {
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System.err.println("ERROR parsing movie details: " + e.getMessage());
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System.err.println("ERROR parsing movie details: " + e.getMessage());
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}
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}
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Reference in New Issue
Block a user