Java Data Type - 如何simpleDateFormat格式：Thu Sep 28 20:29:30 JST 2015

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

public class Main {
    public static void main(String[] args) {
        try {
            String target = "Thu Sep 28 20:29:30 JST 2015";
            DateFormat df = new SimpleDateFormat("EEE MMM dd kk:mm:ss zzz yyyy");
            Date result =  df.parse(target);
            System.out.println(result); 
        } catch (ParseException pe) {
            pe.printStackTrace();
        }
    }
}