데이터 포맷 Date, Calendar import java.util.Calendar; import java.util.Date; import java.util.Scanner; public class DateFormat01 { public static void main(String[] args) { Date date = new Date(); System.out.println(date);//Mon May 31 09:43:24 KST 2021 Calendar cal = Calendar.getInstance(); System.out.println(cal); System.out.println(cal.get(Calendar.YEAR));//2021 System.out.println(cal.get(Calendar.M..