Get year, month, day, minute, hour, second, milli second from java.util.Date through Calendar

import java.util.Calendar;
import java.util.Date;

public class Main {
  public static void main(String[] argv) {
    System.out.println(getYear(new Date()));
  }

  static Calendar calendar = Calendar.getInstance();
  public static int getYear(Date date) {
    calendar.setTime(date);
    return calendar.get(Calendar.YEAR);
  }
  public static int getMonth( Date date )
  {
      calendar.setTime( date );
      return calendar.get( Calendar.MONTH );
  }

  public static int getDate( Date date )
  {
      calendar.setTime( date );
      return calendar.get( Calendar.DATE );
  }

  public static int getHour( Date date )
  {
      calendar.setTime( date );
      return calendar.get( Calendar.HOUR );
  }

  public static int getMinute( Date date )
  {
      calendar.setTime( date );
      return calendar.get( Calendar.MINUTE );
  }

  public static int getSeconds( Date date )
  {
      calendar.setTime( date );
      return calendar.get( Calendar.SECOND );
  }

  public static int getMillisecond( Date date )
  {
      calendar.setTime( date );
      return calendar.get( Calendar.MILLISECOND );
  }
}