Java Data Type - 如何将字符串日期转换为Date类对象“Sat Sep 8 10:13:09 GMT + 0530 2012”

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

public class Main {
  public static void main(String[] args) {
    try {
      String str_date = "Sat Sep 8 10:13:09 GMT+0530 2012";
      DateFormat formatter;
      Date date;
      formatter = new SimpleDateFormat("EEE MMM d HH:mm:ss 'GMT'z yyyy");
      date = (Date) formatter.parse(str_date);
      System.out.println("Today is " + date);
    } catch (ParseException e) {
      System.out.println("Exception :" + e);
    }
  }
}