The doc pane shows reference documentation for the source file that is currently open in the editor.
JBuilder first searches for HTML formatted standard or JDK 1.1 output, using the documentation path defined on the Doc tab of the Project Properties Paths page (Project|Project Properties).
If neither exists, JBuilder displays "on-the-fly"Javadoc that is generated directly from Javadoc comments in the source file. This allows up-to-date Javadoc to always be displayed for a source file, even if you have not yet created Javadoc. No links are available in this view.