You can modify the name of an object in object.xml, but you must also make the corresponding changes to the remaining configuration files.
In the Projects window, right-click the Configuration node in the project you want to modify, and then click Edit.
The Configuration Editor appears.
Click the plus sign next to the parent object to expand the object structure.
Click twice on the name of the object you want to change.
Type in the new name, and then press Enter.
On the Configuration Editor toolbar, click Save.
In the Projects window, expand the Configuration node in the project you want to modify, and then double-click object.xml.
The file opens in the NetBeans XML editor.
Scroll to the tag element defining the object you want to modify.
Change the value of the tag element.
Modify the object name in the relationships definition, as described in Defining Relationships Between Master Index Objects.
Save and close the file.