Use the Generate Javadoc Wizard

Select the set (containing one or more elements) of packages, source folders or projects for which you want to generate Javadoc documentation.

Open the Export wizard by doing one of the following:

• Selecting Export from the selection's pop-up menu or

• Selecting File > Export from the menu bar.

In the resulting dialog, select Javadoc from the list and press Next.

Creating Javadoc documentation
Specifying the location of the Javadoc command
Selecting types for Javadoc generation

Javadoc Generation wizard
Javadoc Location property page