The following works - note ActionListener is fully qualified:
-----
user=> (.addActionListener (javax.swing.JButton.)
(proxy [java.awt.event.ActionListener] []
(actionPerformed [evt]
(println "button press"))))
nil
-----
If I remove the package name I get a NullPointerException:
-----
user=> (.addActionListener (javax.swing.JButton.)
(proxy [ActionListener] []
(actionPerformed [evt]
(println "button press"))))
java.lang.NullPointerException (NO_SOURCE_FILE:161)
user=>
------
Of course, I haven't imported ActionListener so I wouldn't expect it
to evaluate without error - I just wasn't expecting a
NullPointerException.
Paul
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