날짜api

https://youtu.be/oRQ3MUxzp8s?list=PLieE0qnqO2kTyzAlsvxzoulHVISvO8zA9

package temp1;

import java.util.Calendar;

public class MainClass {

	public static void main(String[] args) {

		Calendar calendar = Calendar.getInstance();

		int year = calendar.get(Calendar.YEAR);
		int month = calendar.get(Calendar.MONTH) + 1;
		int day = calendar.get(Calendar.DAY_OF_MONTH);
		int hour = calendar.get(Calendar.HOUR_OF_DAY);
		int minute = calendar.get(Calendar.MINUTE);
		int second = calendar.get(Calendar.SECOND);

		System.out.println(year + "년" + " " + month + "월" + " " + day + "일");
		System.out.println(hour + "시" + " " + minute + "분" + " " + second + "초");

	}

}