java日期处理

  //将Date类型转成String类型,以String作为表名，保证表名唯一
        Date now=newDate();
       SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
        Stringtablename=dateFormat.format(now);
       System.out.println(tablename);
        
        
        //将String类型转成Date类型
        String  mydate="2014/2/2 17:02:12";
       SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
        try {
            Datedate=sdf.parse(mydate);
            
        } catch(ParseException ex) {
           Logger.getLogger(DATETEST.class.getName()).log(Level.SEVERE, null, ex);
        }