Java输出当前的日期(年月日时分秒毫秒)

package test.remote.tools.combine;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public class TestOutDate 
{
	public static void main(String[] args)
	{
		//method 1
		Calendar nowtime = new GregorianCalendar();
		String strDateTime="["+String.format("%04d", nowtime.get(Calendar.YEAR))+"/"+
				String.format("%02d", nowtime.get(Calendar.MONTH))+"/" +
				String.format("%02d", nowtime.get(Calendar.DATE))+" " +
				String.format("%02d", nowtime.get(Calendar.HOUR))+":" +
				String.format("%02d", nowtime.get(Calendar.MINUTE))+":" +
				String.format("%02d", nowtime.get(Calendar.SECOND))+"." +
				String.format("%03d", nowtime.get(Calendar.MILLISECOND))+"]";
		System.out.println(strDateTime);
		
		//method 2
		String msg="";
		Date date = new Date();
		SimpleDateFormat sdf = new SimpleDateFormat("YYYY/MM/dd HH:mm:ss.SSS");
		msg+="["+sdf.format(date)+"]";
		
		System.out.println(msg);
	}
}

运行结果:
[2013/08/09 05:54:32.578]
[2013/09/09 17:54:32.625]




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