알아두면 편한 클래스

 

class	import문	operation
Calendar	import java.util.Calendar;	Calendar cal = Calendar.getInstance(); int year = cal.get(Calendar.YEAR); int month = cal.get(Calendar.MONTH)+1; int date = cal.get(Calendar.DAY_OF_MONTH); int day = cal.get(Calendar.DAY_OF_WEEK); int hour = cal.get(Calendar.HOUR); int minute = cal.get(Calendar.MINUTE); int second = cal.get(Calendar.SECOND);