java时间格式转换： Sep 29, 2012 1:00:01 AM 如何转换成标准的java Date对象

package test;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
public class DateParser {
	public static void main(String[] args) {
		//java时间格式转换： Sep 29, 2012 1:00:01 AM 如何转换成标准的java Date对象
		/*
		LetterDate or Time ComponentPresentationExamples
		GEra designatorTextAD
		yYearYear1996; 96
		MMonth in yearMonthJuly; Jul; 07
		wWeek in yearNumber27
		WWeek in monthNumber2
		DDay in yearNumber189
		dDay in monthNumber10
		FDay of week in monthNumber2
		EDay in weekTextTuesday; Tue
		aAm/pm markerTextPM
		HHour in day (0-23)Number0
		kHour in day (1-24)Number24
		KHour in am/pm (0-11)Number0
		hHour in am/pm (1-12)Number12
		mMinute in hourNumber30
		sSecond in minuteNumber55
		SMillisecondNumber978
		zTime zoneGeneral time zonePacific Standard Time; PST; GMT-08:00
		ZTime zoneRFC 822 time zone-0800
		*/
		SimpleDateFormat sdf = new SimpleDateFormat("MMM d, yyyy K:m:s a",Locale.ENGLISH);
		Date d2 = null;
		try {
		d2 = sdf.parse("Sep 29, 2012 1:00:01 AM");
		} catch (ParseException e) {
		e.printStackTrace();
		}
		Date d3 = new Date();
		System.out.println("d2 ====== "+d2);
		System.out.println("d3 ====== "+sdf.format(d3));
	}
}