Not a JDEE question really....
Anyhow...here it goes...
(defun electric-open-delimeter ()
"Automatically insert matching delimeter."
(interactive)
(self-insert-command 1)
(let* ((arg (elt (recent-keys) 99))
(key-match (assoc arg '((?\( . ?\)) (?\{ . ?\}) (?\[ . ?\]) (?\" .
?\") (?\' . ?\') (?\< . ?\>))))
)
(if key-match
(progn
(insert (cdr key-match))
(backward-char)
)
)
)
)
(local-set-key (kbd "(") 'electric-open-delimeter)
(local-set-key (kbd "{") 'electric-open-delimeter)
(local-set-key (kbd "[") 'electric-open-delimeter)
(local-set-key (kbd "\"") 'electric-open-delimeter)
(local-set-key (kbd "'") 'electric-open-delimeter)
(local-set-key (kbd "<") 'electric-open-delimeter)