tracks/java/exercises/grade-school/.meta/src/reference/java/School.java in trackler-2.2.1.72 vs tracks/java/exercises/grade-school/.meta/src/reference/java/School.java in trackler-2.2.1.73
- old
+ new
@@ -1,35 +1,35 @@
import java.util.*;
-public class School {
+class School {
private final Map<Integer, List<String>> database = new HashMap<>();
- public int numberOfStudents() {
+ int numberOfStudents() {
int result = 0;
- for (List<String> studentsInGrade: database.values()) {
+ for (List<String> studentsInGrade : database.values()) {
result += studentsInGrade.size();
}
return result;
}
- public void add(String student, int grade) {
+ void add(String student, int grade) {
List<String> students = fetchGradeFromDatabase(grade);
students.add(student);
}
- public List<String> grade(int grade) {
+ List<String> grade(int grade) {
return new ArrayList<>(fetchGradeFromDatabase(grade));
}
- private List<String> fetchGradeFromDatabase(int grade) {
+ List<String> fetchGradeFromDatabase(int grade) {
if (!database.containsKey(grade)) {
database.put(grade, new LinkedList<>());
}
return database.get(grade);
}
- public Map<Integer, List<String>> studentsByGradeAlphabetical() {
+ Map<Integer, List<String>> studentsByGradeAlphabetical() {
Map<Integer, List<String>> sortedStudents = new HashMap<>();
for (Integer grade : database.keySet()) {
List<String> studentsInGrade = database.get(grade);
Collections.sort(studentsInGrade);
sortedStudents.put(grade, studentsInGrade);