Java et timestamp

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

/**
 * Created on 07-avr.-07
 * 
 * @author: HackTrack
 */

public class DateFormatter {

	public static void main(String[] args) {
		double timeMillis = 1175254023.455;		
		Date d = new Date((long)timeMillis);
		SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd HH:mm:ss");
		System.out.println(formatter.format(d));
	}

}