How to change the standalone oc4j password in jdeveloper 10.1.3.1.0

To change the password of the standalone oc4j in jdeveloper 10.1.3.10 do the following :

1. Stop the oc4j( use bin/oc4j.cmd )
2. edit the j2ee/home/config/system-jazn-data.xml by searching "oc4jadmin" in the tag ( i.e OC4J Administrator) and
change the line content inside the tag to !password123 where password123 will be the new password:
eg : change
{903}YD4N1akwPa8FxfnwvqTAT76FCx62bGsfU8Kzd2p+IJQ=
to !password123
Note: Exclamation mark(!) at the beginning of the new password. It marks the entry as a non-encrypted password value.
3. save the file
4. restart the control ( use bin/oc4j.cmd )
5. open the following url http://127.0.0.1:8888/em
6. provide the username "oc4jadmin" and password "password123" and it will get you inside the control.