When I click 2 times the button isoButton I get an error.
(.addActionListener isoButton
(proxy [ActionListener] []
(actionPerformed []
(if (.isSelected isoButton)
(println "Button is selected")
(println "Button is not selected")))))
Error:
Exception in thread "AWT-EventQueue-0" clojure.lang.ArityException: Wrong
number of args (2) passed to: user$eval39$fn
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