Java Date사용

public class DateTest {

public static void main(String[] args) {

Date d = new Date();

System.out.println(d);

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

String s = sdf.format(d);

System.out.println(s);

System.out.printf("%tY년도 %tm월 %td일",d,d,d);

System.out.println();

System.out.println(d.getTime());

System.out.println(System.currentTimeMillis());

java.sql.Date d2 = new java.sql.Date(d.getTime());

System.out.println(d2);

Calendar cal = Calendar.getInstance();

System.out.printf("%tY년도 %tm월 %td일",cal,cal,cal);

System.out.println();

cal.set(1989,  2, 31);

int year = cal.get(Calendar.YEAR);

int month = cal.get(Calendar.MONTH)+1; // 0~11

int day = cal.get(Calendar.DAY_OF_MONTH);

System.out.println(year+"년도 "+month+"월 "+day+"일");

}

}