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すべてのCourseGroupの毎週月曜日の期間番号1をtrueに設定しようとしていますが、唯一Mondays.Kindlyが 私はオブジェクトの一部を変更していますが、条件セットを考慮せずにリストのすべてのオブジェクトを変更し続けます
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
class HelloWorld {
public static void main(String[] args) {
SchoolObject schoolObject;
List<LecturePeriod> lecturePeriods = new ArrayList<>();
for (int i = 1; i <= 10; i++) {
String periodName = "Period " + i;
int periodNo = i;
boolean isPeriodAllocated = false;
lecturePeriods.add(new LecturePeriod(periodName, periodNo, isPeriodAllocated));
}
List<Day> days = new ArrayList<>();
for (int i = 1; i <= 5; i++) {
String dayName;
switch (i) {
case 1:
dayName = "MONDAY";
break;
case 2:
dayName = "TUESDAY";
break;
case 3:
dayName = "WEDNESDAY";
break;
case 4:
dayName = "THURSDAY";
break;
case 5:
dayName = "FRIDAY";
break;
default:
dayName = "NONE";
}
int dayNo = i;
days.add(new Day(dayName, dayNo, lecturePeriods));
}
List<YearGroup> yearGroups = new ArrayList<>();
for (int i = 1; i <= 3; i++) {
int yearGroupNumber = i;
if (Objects.equals(i, 1)) {
yearGroups.add(new YearGroup(yearGroupNumber, new ArrayList<>(Arrays.asList(new CourseGroup("Science" + 1, days)))));
} else if (Objects.equals(i, 2)) {
yearGroups.add(new YearGroup(yearGroupNumber, new ArrayList<>(Arrays.asList(new CourseGroup("Science" + 2, days)))));
} else if (Objects.equals(i, 3)) {
yearGroups.add(new YearGroup(yearGroupNumber, new ArrayList<>(Arrays.asList(new CourseGroup("Science" + 3, days)))));
}
}
schoolObject = new SchoolObject();
schoolObject.setYearGroups(yearGroups);
System.out.println("School Object Before Changing Periods="+schoolObject.toString());
schoolObject.getYearGroups().forEach(yearGroup -> {
yearGroup.getCourseGroups().forEach(courseGroup -> {
courseGroup.getDays().forEach(day -> {
String dayName = day.getDayName();
if (Objects.equals(dayName, "MONDAY")) {
day.getLecturePeriods().forEach(lecturePeriod -> {
int lecturePeriodNumber = lecturePeriod.getPeriodNumber();
if (Objects.equals(lecturePeriodNumber, 1)) {
lecturePeriod.setIsPeriodAllocated(true);
}
});
}
});
});
});
System.out.println("\nSchool Object After Changing Periods=" + schoolObject.toString());
final int[] numberOfAllocatedPeriodsExpected = {0};
schoolObject.getYearGroups().forEach(yearGroup -> {
yearGroup.getCourseGroups().forEach(courseGroup -> {
courseGroup.getDays().forEach(day -> {
day.getLecturePeriods().forEach(lecturePeriod -> {
int lecturePeriodNumber = lecturePeriod.getPeriodNumber();
if (Objects.equals(lecturePeriodNumber, 1)) {
numberOfAllocatedPeriodsExpected[0]++;
}
});
});
});
});
System.out.println("\nTest result ="+Objects.equals(numberOfAllocatedPeriodsExpected[0],3));
}
public static class SchoolObject {
List<YearGroup> yearGroups;
@Override
public String toString() {
final StringBuilder sb = new StringBuilder("SchoolObject{");
sb.append("yearGroups=").append(yearGroups);
sb.append('}');
return sb.toString();
}
public List<YearGroup> getYearGroups() {
return yearGroups;
}
public void setYearGroups(List<YearGroup> yearGroups) {
this.yearGroups = yearGroups;
}
}
public static class YearGroup {
int yearGroupNumber;
List<CourseGroup> courseGroups;
public YearGroup(int yearGroupNumber, List<CourseGroup> courseGroups) {
this.yearGroupNumber = yearGroupNumber;
this.courseGroups = courseGroups;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder("YearGroup{");
sb.append("yearGroupNumber=").append(yearGroupNumber);
sb.append(", courseGroups=").append(courseGroups);
sb.append('}');
return sb.toString();
}
public int getYearGroupNumber() {
return yearGroupNumber;
}
public void setYearGroupNumber(int yearGroupNumber) {
this.yearGroupNumber = yearGroupNumber;
}
public List<CourseGroup> getCourseGroups() {
return courseGroups;
}
public void setCourseGroups(List<CourseGroup> courseGroups) {
this.courseGroups = courseGroups;
}
}
public static class CourseGroup {
String courseGroupName;
List<Day> days;
public CourseGroup(String courseGroupName, List<Day> days) {
this.courseGroupName = courseGroupName;
this.days = days;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder("CourseGroup{");
sb.append("courseGroupName='").append(courseGroupName).append('\'');
sb.append(", days=").append(days);
sb.append('}');
return sb.toString();
}
public List<Day> getDays() {
return days;
}
public void setDays(List<Day> days) {
this.days = days;
}
public String getCourseGroupName() {
return courseGroupName;
}
public void setCourseGroupName(String courseGroupName) {
this.courseGroupName = courseGroupName;
}
}
public static class Day {
String dayName;
int dayNo;
List<LecturePeriod> lecturePeriods;
public Day(String dayName, int dayNo, List<LecturePeriod> lecturePeriods) {
this.dayName = dayName;
this.lecturePeriods = lecturePeriods;
this.dayNo = dayNo;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder("Day{");
sb.append("dayName='").append(dayName).append('\'');
sb.append(", dayNo=").append(dayNo);
sb.append(", lecturePeriods=").append(lecturePeriods);
sb.append('}');
return sb.toString();
}
public String getDayName() {
return dayName;
}
public void setDayName(String dayName) {
this.dayName = dayName;
}
public int getDayNo() {
return dayNo;
}
public void setDayNo(int dayNo) {
this.dayNo = dayNo;
}
public List<LecturePeriod> getLecturePeriods() {
return lecturePeriods;
}
public void setLecturePeriods(List<LecturePeriod> lecturePeriods) {
this.lecturePeriods = lecturePeriods;
}
}
public static class LecturePeriod {
String periodName;
int periodNumber;
boolean isPeriodAllocated;
public LecturePeriod(String periodName, int periodNumber, boolean isPeriodAllocated) {
this.periodName = periodName;
this.periodNumber = periodNumber;
this.isPeriodAllocated = isPeriodAllocated;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder("LecturePeriod{");
sb.append("periodName='").append(periodName).append('\'');
sb.append(", periodNumber=").append(periodNumber);
sb.append(", isPeriodAllocated=").append(isPeriodAllocated);
sb.append('}');
return sb.toString();
}
public String getPeriodName() {
return periodName;
}
public void setPeriodName(String periodName) {
this.periodName = periodName;
}
public int getPeriodNumber() {
return periodNumber;
}
public void setPeriodNumber(int periodNumber) {
this.periodNumber = periodNumber;
}
public boolean isPeriodAllocated() {
return isPeriodAllocated;
}
public void setIsPeriodAllocated(boolean isPeriodAllocated) {
this.isPeriodAllocated = isPeriodAllocated;
}
}
}
あなたはすべての日のための講義期間の同じ参照割り当てているので、これは、ここでhttp://ideone.com/3uyE5G
本当にこのコードはすべて必要ですか？コードと出力を本質的にもう少し細分化することはできますか？ほとんどの人は長さのためにそれをすべて見ていません。 –