public static void muestraEmpleados() throws SQLException, ClassNotFoundException{


        Class.forName("org.postgresql.Driver");
        String url = "jdbc:postgresql:sun.in";
        Connection conn = DriverManager.getConnection(url, "postgres", "postgres");


        Statement st = conn.createStatement();
        ResultSet rs = null;

        rs = st.executeQuery("SELECT * FROM empleat");


        while(rs.next()){

            System.out.println(rs.getInt(1)+rs.getString(2)+rs.getString(3)+rs.getString(4)+rs.getString(5)+rs.getString(6)+rs.getString(7)+rs.getString(8)+rs.getString(9)+rs.getString(10));


        }
    }