import java.util.ArrayList;
import java.util.List;
public class DateTraveller {
public static List<String> getDateList(String startDateString, String endDateString) {
List<String> dateList = new ArrayList<String>();
int startDate = Integer.parseInt(startDateString);
int startYear = startDate / 10000;
int startMonth = startDate / 100 % 100;
int startDay = startDate % 100;
int endDate = Integer.parseInt(endDateString);
int endYear = endDate / 10000;
int endMonth = endDate / 100 % 100;
int endDay = endDate % 100;
int y = startYear;
int m = startMonth;
int d = startDay;
while (y < endYear || y == endYear && m < endMonth || y == endYear && m == endMonth && d <= endDay) {
String tmpDateString = String.format("%d%02d%02d", y, m, d);
dateList.add(tmpDateString);
boolean isRunNian = (y % 400 == 0 || y % 4 == 0 && y % 100 != 0);
int lastDay = 31;
if (m == 2) {
if (isRunNian) lastDay = 29;
else lastDay = 28;
}
else if (m <= 7 && m % 2 == 0 || m > 7 && m % 2 == 1) {
lastDay = 30;
}
if (d >= lastDay) {
m ++;
d = 1;
if (m > 12) {
y ++;
m = 1;
}
}
else {
d ++;
}
}
return dateList;
}
public static void main(String[] args) {
List<String> dateList = getDateList("20151203", "20160301");
for (String dateS : dateList) {
System.out.println(dateS);
}
}
}
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