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I heard that when we use awt or swing, while creating a FRAME, an unchecked exception may be thrown which is “Headless exception”.
I never got this exception. Can anyone tell when this exception is thrown?
Class
HeadlessExceptiondescriptionThrown when code that is dependent on a keyboard, display, or mouse is called in an environment that does not support a keyboard, display, or mouse.
For more details http://docs.oracle.com/javase/7/docs/api/java/awt/HeadlessException.html