Java gets a few days ago and a few days after the date

Source: Internet
Author: User

/**    *  get a few days ago time     *  @param  d     *  @param  day    *  @return     */     Public static date getdatebefore (Date d,int day) {      Calendar now =calendar.getinstance ();      now.settime (d);      now.set (,now.get (;     return  Now.gettime ();    }        /**     *  get a few days after the time     *  @param  d    *  @param   day    *  @return     */    public static  date getdateafter (date d,int day) {     calendar now = Calendar.getinstance ();       now.settime (d);      now.set (,now.get ( +day);      return now.gettime ();     }

Java gets a few days ago and a few days after the date

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