JDeveloper includes two features that are highly visual, and these features have equivalent functionality that is available to people who are blind or visually impaired:
See Adding Components to Your User Interface for a description of the steps to insert a component from the Palette in the UI Editor using keystrokes.
JDeveloper also includes two features that are entirely visual, and these features do not have equivalent functionality that is available to people who are blind or visually impaired. They also do not provide keyboard access. However, many properties of existing model elements can be set using dialogs, which are accessible from the Navigator.
About JDeveloper Accessibility
Using a Screen Reader and Java Access Bridge
with JDeveloper
JDeveloper Features That Support Accessibility
Recommendations for Customizing JDeveloper