Inserir dados em um JFormattedTextField ( resolvido)

try{
        
          maskFone= new MaskFormatter("###########");
          maskFone.setValidCharacters("[telefone removido]");
          maskFone.setPlaceholderCharacter(' ');
          maskFone.install(Tel_user);
       
       }catch (Exception e)
       {
        e.printStackTrace();
       }

maskFone= new MaskFormatter("###########");

public void lerUsuario() {
        try {
            //BufferedReader reader = new BufferedReader(InputStreamReader(new FileInputStream("Confi_Porta.txt")));
            FileInputStream stream = new FileInputStream("Dados do Usuário.txt");
            InputStreamReader streamReader = new InputStreamReader(stream);
            BufferedReader reader = new BufferedReader(streamReader);

            ler_nome = (reader.readLine()); // 1a linha
            ler_email = (reader.readLine());
            ler_tel = (reader.readLine());
            ler_opera = (reader.readLine());

            reader.close();
        } catch (Exception e) {
            e.printStackTrace();
        }

    }

//Preechendo
        escrever.lerUsuario();
        Nome_user.setText(TXT.ler_nome);
        Email_user.setText(TXT.ler_email);
        Tel_user.setText(TXT.ler_tel);
        Oper_user.setSelectedItem(TXT.ler_opera);

        System.out.println(TXT.ler_nome);
        System.out.println(TXT.ler_email);
        System.out.println(TXT.ler_tel);
        System.out.println(TXT.ler_opera);