{"request":{"endpoint":"https://exercism.org/api/v2/tracks/java/exercises/grade-school/community_solutions","query":{},"options":{"initial_data":{"results":[{"uuid":"22b08633d65f4488ba85b6c34a1d1236","snippet":"class School { private final Map roster = new TreeMap<>(); public boolean add(String student, int grade) { int auxLen = this.roster.size(); roster.putIfAbsent(student, grade); return roster.size() > auxLen; } ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":8,"num_iterations":1,"num_loc":25,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2024-05-22T03:56:19.000Z","is_out_of_date":false,"language":"java","author":{"handle":"Tanvi2505"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/Tanvi2505","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"938436524ee34561b71d252e196c58ea","snippet":"public class School { private final SortedMap> roster = new TreeMap<>(); public void add(String name, int grade) { roster.computeIfAbsent(grade, i -> new TreeSet<>()).add(name); } public List roster() { return roster.values().stream().flatMap(Collection::stream).collect(Collectors.toList()); ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":6,"num_iterations":1,"num_loc":14,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2021-01-10T13:51:43.000Z","is_out_of_date":true,"language":"java","author":{"handle":"Soline"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/Soline","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"1fef2ba3aa3243e59bc9f64251682df7","snippet":"class School { private final Map roster = new TreeMap<>(); public boolean add(String student, int grade) { int auxLen = this.roster.size(); roster.putIfAbsent(student, grade); return roster.size() > auxLen; } ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":4,"num_iterations":1,"num_loc":25,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2024-01-26T11:46:55.000Z","is_out_of_date":false,"language":"java","author":{"handle":"CleuJunior"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/CleuJunior","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"c46dfc4ea6a549cab806e52a1f2a6074","snippet":"public class School { private final SortedMap> grades = new TreeMap<>(); public void add(String student, int grade) { grades.computeIfAbsent(grade, ignored -> new TreeSet<>()).add(student); } public List roster() { return grades.values().stream().flatMap(Set::stream).toList(); ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":3,"num_iterations":2,"num_loc":13,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2023-06-20T09:04:19.000Z","is_out_of_date":true,"language":"java","author":{"handle":"HomerDalor"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/HomerDalor","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"2963b7cd0c4a4a19abfa4274f214649c","snippet":"class School { private List roster = new LinkedList<>(); private static Comparator byGrade = Comparator.comparing( Student::getGrade ); private static Comparator byName = Comparator.comparing( Student::getName ); ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":2,"num_iterations":1,"num_loc":43,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2019-03-08T13:13:41.000Z","is_out_of_date":true,"language":"java","author":{"handle":"fossnik"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/fossnik","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"f361070927234090ad41149823a6db15","snippet":"public class School{ HashMap school; public School() { school = new HashMap<>(); } void add(String name, Integer grade){ school.put(name, grade); ","num_views":0,"num_stars":1,"num_comments":0,"representation_num_published_solutions":2,"num_iterations":1,"num_loc":36,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2020-01-04T15:56:26.000Z","is_out_of_date":true,"language":"java","author":{"handle":"max76"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/max76","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"ba4a07f265f845ff9c41ccc059eda9cf","snippet":"class School { private final Map> gradeRoster = new TreeMap<>(); private final Set registeredStudents = new HashSet<>(); boolean add(String student, int grade) { if (registeredStudents.contains(student)) { return false; } ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":2,"num_iterations":1,"num_loc":35,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2026-07-15T12:52:53.000Z","is_out_of_date":false,"language":"java","author":{"handle":"rohithkumarbagavathiraj-stack"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/rohithkumarbagavathiraj-stack","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"cb692b50f9ad4583824a9caa80b40ad5","snippet":"class School { private SortedMap> roster; public School(){ this.roster = new TreeMap(); } boolean add(String student, int grade) { if (roster().contains(student)) return false; ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":2,"num_iterations":2,"num_loc":30,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2024-11-19T11:07:01.000Z","is_out_of_date":false,"language":"java","author":{"handle":"srwoskr"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/srwoskr","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"94969d2d0fba4ba0b47f26725ae2cc30","snippet":"class School { private Map> roster = new HashMap<>(); boolean add(String student, int grade) { if (roster().contains(student)) return false; return grade(grade).add(student); } List roster() { return roster.values().stream().flatMap(l -> l.stream().sorted()).toList(); } ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":2,"num_iterations":2,"num_loc":17,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2025-04-09T16:06:43.000Z","is_out_of_date":false,"language":"java","author":{"handle":"NamuChon"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/NamuChon","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"cb4d99b3c8fa4973a35be04ceddc3742","snippet":"public class School{ private Map school = new HashMap<>(); public void add(String name, int grade){ school.put(name, grade); } public List roster(){ Map > list = new HashMap<>(); ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":33,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2020-01-21T14:00:20.000Z","is_out_of_date":true,"language":"java","author":{"handle":"zero201926"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/zero201926","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"3b1848061d4a464987f03b26adc9274d","snippet":"class School { private final NavigableMap> roster = new TreeMap<>(); void add(String name, int grade) { roster.computeIfAbsent(grade, k -> new ArrayList<>()).add(name); } List roster() { List output = new ArrayList<>(); ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":4,"num_loc":24,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2019-02-12T23:05:09.000Z","is_out_of_date":true,"language":"java","author":{"handle":"jippiee"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/jippiee","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"0dc57d250d46490da7d330fa1a99aa64","snippet":"public class School { private TreeMap> grades = new TreeMap<>(); public void add(String name, int grade) { if (grades.containsKey(grade)) { grades.get(grade).add(name); } else { grades.put(grade, new TreeSet<>(List.of(name))); } ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":26,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2021-11-26T18:15:09.000Z","is_out_of_date":true,"language":"java","author":{"handle":"sming"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/sming","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"27cfbdf6d39b4724955cdb93aec3bc2f","snippet":"public class School { Map> gradesPerStudents; public School() { this.gradesPerStudents = new HashMap<>(); } public void add(String name, int grade) { List students = gradesPerStudents.get(grade); ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":26,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2020-01-02T22:09:22.000Z","is_out_of_date":true,"language":"java","author":{"handle":"boris-lenzinger"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/boris-lenzinger","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"96a0bc7174ac4506a0abd4e0ce27a0a6","snippet":"class School { Map roster = new HashMap<>(); public void add(String name, int grade) { roster.put(name, grade); } public List roster() { Map> studentsByGradeSorted = new HashMap<>(); roster.forEach((name, gra) -> { ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":39,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2020-03-25T05:02:40.000Z","is_out_of_date":true,"language":"java","author":{"handle":"Venk-rgb"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/Venk-rgb","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"c5222ec14bd4446385d5eaeb836c304d","snippet":"public class School { private Map> classes; public School(){ classes = new HashMap<>(); if (!repOk()) throw new IllegalStateException(); } public void add(String name, int grade) { if (grade <= 0) { ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":62,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2022-01-12T11:07:27.000Z","is_out_of_date":true,"language":"java","author":{"handle":"UnJay-0"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/UnJay-0","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"125759c2d4a64174a5e5ea2e706d6827","snippet":"class School { private final HashMap> database = new HashMap<>(); public School() { } public void add(String name, int grade) { if (database.containsKey(grade)) { database.get(grade).add(name); } else { List students = new ArrayList<>(); students.add(name); ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":3,"num_loc":32,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2022-12-06T15:29:44.000Z","is_out_of_date":true,"language":"java","author":{"handle":"billiejoe010315"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/billiejoe010315","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"42654c1a7f50409e9568d983e8dea20a","snippet":"class School { private Map> info = new TreeMap<>(); void add( String student, int grade ) { info.computeIfAbsent( grade, k -> new ArrayList<>() ).add( student ); ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":2,"num_loc":32,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2023-09-28T13:30:34.000Z","is_out_of_date":true,"language":"java","author":{"handle":"kaiser2001"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/kaiser2001","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"34514d8b8c284678a3efe500b17d080c","snippet":"public class School { private final List roster = new ArrayList<>(); public List roster() { return roster.stream() .map(Student::getName) .collect(Collectors.toList()); } public void add(String name, int grade) { ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":55,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2023-02-10T03:17:36.000Z","is_out_of_date":true,"language":"java","author":{"handle":"Areuta"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/Areuta","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"cacf1029d7df4879a9a9c0c6618aab9e","snippet":"public class School { private Map roster; public School() { roster = new HashMap<>(); } public void add(String name, int grade) { roster.put(name, grade); } public List grade(int grade) { Stream names = roster ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":26,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2022-11-29T23:16:38.000Z","is_out_of_date":true,"language":"java","author":{"handle":"Hvnt3rK3ys"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/Hvnt3rK3ys","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"ea37c83a4b32421b8096698ae3f64181","snippet":"public class School { ArrayList students = new ArrayList(); ArrayList studentGradeNumbers = new ArrayList(); public void add(String name, int gradeNumber) { students.add(name); studentGradeNumbers.add(gradeNumber); } public ArrayList grade(int gradeNumber) { ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":3,"num_loc":32,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2022-12-10T17:07:39.000Z","is_out_of_date":true,"language":"java","author":{"handle":"onkoe"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/onkoe","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"a0346884f2514f5e8a2b1d84b7e605fc","snippet":"public class School { private Map roster; public School() { roster = new HashMap<>(); } public void add(String name, int grade) { roster.put(name, grade); ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":29,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"errored","published_at":"2022-10-15T18:25:56.000Z","is_out_of_date":true,"language":"java","author":{"handle":"danielmachado98"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/danielmachado98","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"ae60356068f8454496354f902f7846ce","snippet":"class School { private final Map roster; public School() { this.roster = new HashMap<>(); } boolean add(String student, int grade) { Integer value = roster.putIfAbsent(student, grade); ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":26,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2024-06-24T14:22:42.000Z","is_out_of_date":false,"language":"java","author":{"handle":"Luisen"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/Luisen","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"3c7ffa9755de4d568d98e48c56618660","snippet":"class School { private Set studentNames = new HashSet(); private Map> students = new HashMap>(); boolean add(String student, int grade) { if (!studentNames.add(student)) { return false; } if (!students.containsKey(grade)) { var newStudent = new ArrayList(); newStudent.add(student); ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":42,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2024-06-28T08:11:43.000Z","is_out_of_date":false,"language":"java","author":{"handle":"ThinhDQ84"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/ThinhDQ84","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}},{"uuid":"70923b925d714d7f8cc645f1c0c3c0a0","snippet":"class School { Map> rosterMap = new TreeMap<>(); boolean add(String student, int grade) { rosterMap.putIfAbsent(grade, new TreeSet<>()); if (roster().contains(student)) return false; return rosterMap.get(grade).add(student); } ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":1,"num_iterations":1,"num_loc":15,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2024-08-21T11:50:40.000Z","is_out_of_date":false,"language":"java","author":{"handle":"tsedekey"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"Java","icon_url":"https://assets.exercism.org/tracks/java.svg","highlightjs_language":"java"},"links":{"public_url":"https://exercism.org/el/tracks/java/exercises/grade-school/solutions/tsedekey","private_iterations_url":"https://exercism.org/el/tracks/java/exercises/grade-school/iterations"}}],"meta":{"current_page":1,"total_count":202,"total_pages":9,"unscoped_total":202}}}}}

Γλώσσες προγραμματισμού

Μάθε προγραμματισμό με το Jiki

Το Ταξίδι σου

Τα Αγαπημένα σουΝέο

Προνόμια του Exercism

Βίντεο της Κοινότητας

Σειρά σύντομων εισαγωγών

Συνεντεύξεις και ιστορίες

Discord

Φόρουμ

Ξεκινώντας

Καθοδήγηση

Τεκμηρίωση

Συνεισφέροντες

ΜεταφραστέςΝέο

Κάνε δωρεά

Σχετικά με το Exercism

Ο αντίκτυπός μας

Συγχρονισμός GitHubΝέο

Insiders