I am instaling database XE 11g. On the basis of a complete application : Sample Application. I can not find password for this application. On the login page says : By default, two accounts are created in the Sample Application: demo and admin. The default password for both accounts is the all lowercase name of the workspace in which this application is located.
Try the default password using:
If its not working, try uninstalling and reinstalling it.
Click on the Application Name from the Application Builder home page.
There is a Tasks list at the top right of the page. One of the links is Delete this Application.
Once it is deleted, you can re-install it by clicking the Create> link from the App Builder home page, select Demonstration Application and follow the wizard.