cannot not find symbol

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 public static void main(String[] args) throws IOException{ // TODO code application logic here do{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); }while("y".equals((br.readLine().toLowerCase()))); }

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public static void main(String[] args) throws IOException{ try { BufferedReader br = null; do{
       br = new BufferedReader(new InputStreamReader(System.in));
       }while("y".equals((br.readLine().toLowerCase())));
    }
    catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
}