bangla-saving in mysql

return responseString.replaceAll("\n", "").replaceAll("\\.00", "")
                .replaceAll("\\.০০", "");
String URL = "jdbc:mysql://27.147.146.116:3306/pesp_db55_q3_q4?useUnicode=yes&characterEncoding=UTF-8";

not necessary, but saved for further help

ALTER DATABASE pesp_db55_q3_q4 CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
ALTER TABLE pesp_db55_q3_q4.send_sms CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;