Retornar em um jtable uma tabela do banco de dados;

public void ConsClinicas()
    {
        sql = "SELECT * FROM clinicas";
        
        try
        {
            Class.forName(JDBC_DRIVER);
            cn = DriverManager.getConnection(DATABASE_URL, "chmsa", "chmsa");
            st = cn.createStatement();
            ResultSet rs = st.executeQuery(sql);
            ResultSetMetaData metaData = rs.getMetaData();
            int coluna = metaData.getColumnCount();
            
            String[] nomecoluna = new String[100];
            String[][] nomes = new String[100][100];
            int[] nome1 = new int[100];
            String[] nome2 = new String[100];
            
            int cont = 1;
            while(rs.next()){
                
                nome1[cont] = rs.getInt(1);
                nome2[cont] = rs.getString(2);
                cont++;
                
            }
            
            for(int i = 1; i<=coluna; i++)
                nomecoluna[i] = metaData.getColumnName(i);
            

            JFrame jf = new JFrame();
            JTable tb = new JTable(nomes, nomecoluna);
            jf.add(tb);
            jf.setSize(400,400);
            jf.setVisible(true);
            tb.setSize(400,400);
            tb.setVisible(true);
            
        }
        catch (SQLException e)
        {
            e.printStackTrace();
            System.exit(1);
        }
        catch (ClassNotFoundException e)
        {
            e.printStackTrace();
            System.exit(1);
        }