Stuff

public void makeReservation(Connection con, String id, String user, String room) throws SQLException {        int i= Integer.parseInt(id);        int i2 = Integer.parseInt(room);        PreparedStatement st = con.prepareStatement("UPDATE reservations SET username=? and room=? WHERE ID=?");        st.setString(1,user);        st.setInt(2,i2);        st.setInt(3,i);        st.executeUpdate();        st.close();    }