Move Oracle 11g XE(http server) from 8080 to 9090

Follow the below steps to change the port:

1. Click on "Run SQL Command Line"
2. connect system@xe
enter password
3.

SQL> begin
 2    dbms_xdb.sethttpport('9090');
 3  end;
 4  /

If you want to see the port after change use the following command:

SQL> select dbms_xdb.gethttpport from dual;