public static void main(String[] args) throws Exception{


    String input = "2018/05/18 13:30:42 +00:00";

    SimpleDateFormat parser = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
    Date date = parser.parse(input);
    SimpleDateFormat formatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ssZ");
    String formattedDate = formatter.format(date);

    System.out.println(formattedDate);

}