Java:
두 날짜 비교하기

import java.time.LocalDate;
import java.time.Period;

public class DateComparison {
    public static void main(String[] args) {
        LocalDate date1 = LocalDate.of(2023, 3, 15);
        LocalDate date2 = LocalDate.now();

        // Checking if two dates are equal
        boolean isEqual = date1.isEqual(date2);
        System.out.println("Dates equal: " + isEqual);

        // Checking if one date is before another
        boolean isBefore = date1.isBefore(date2);
        System.out.println("Date1 is before Date2: " + isBefore);

        // Checking if one date is after another
        boolean isAfter = date1.isAfter(date2);
        System.out.println("Date1 is after Date2: " + isAfter);

        // Calculating the period between two dates
        Period period = Period.between(date1, date2);
        System.out.println("Period: " + period.getYears() + " Years " 
            + period.getMonths() + " Months " + period.getDays() + " Days");
    }
}