2017/3/24 java类库中的LocalDate类
import java.time.LocalDate
import java.util.Calendar
import java.util.Date
import java.util.GregorianCalendar
import java.util.Scanner
public class Lx {
public static void main(String[] args) {
LocalDate newYears=LocalDate.of(1999, 12, 31)
int year=newYears.getYear()
int mon=newYears.getMonthValue()
int day=newYears.getDayOfMonth()
System.out.println(year)

}
}