When using com.sun.awt.AWTUtilities, Eclipse gives a error:
- Access restriction: The method setWindowOpacity(Window, float) from the type AWTUtilities is not accessible due to restriction on required
- Access restriction: The type AWTUtilities is not accessible due to restriction on required library C:\Program Files\Java\jre6\lib\rt.jar
You can fix it like this:
Preferences -> Java ->