This is a feature of JBuilder Enterprise.
Use the Add Build Target To Menu dialog box to select the build targets you want to add to the first group of the Project menu and the toolbar.
To open the Add Build Target To Menu dialog box,
The list of available build targets in the project.
JBuilder provides a set of standard targets from which to choose, and additional ones are added to the list depending on your project. The targets typically found in the list include Make, Rebuild, Clean, external build tasks, and Ant build targets. Build targets that are currently on the Project menu do not appear in the list.
Select any targets you want to add to the first group of the Project menu.