날짜 비교 date compare

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
 
public class DateCompare {
	public static void main(String [] args) {
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        Date day1 = null;
        Date day2 = null;

        try {
            day1 = format.parse("2012-12-16");
            day2 = format.parse("2012-12-17");​
        } catch (ParseException e) {
            e.printStackTrace();
        }

        int compare = day1.compareTo(day2);

        if ( compare > 0 ) {
            System.out.println( "day1 > day2" );
        } else if ( compare < 0 ) {
            System.out.println( "day1 < day2" );​
        } else {
            System.out.println( "day1 = day2" );​
        }
    }
}