import java.time.LocalDate;
import java.time.temporal.ChronoUnit;
public class Main {
public static void main
(String[] args
) { String strDateStart
= "2021-06-09"; String strDateEnd
= "2021-06-12"; LocalDate dateStart = LocalDate.parse(strDateStart);
LocalDate dateEnd = LocalDate.parse(strDateEnd);
long days = ChronoUnit.DAYS.between(dateStart, dateEnd);
}
}
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