You haven't told javac where to look for the class ActionEvent with an import statement. Have a look at the list of imports at the top of the Beeper.java example.
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Type: Posts; User: Sean4u
Re: JButton events
You haven't told javac where to look for the class ActionEvent with an import statement. Have a look at the list of imports at the top of the Beeper.java example.
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Re: JButton events
Have you worked through this?
Lesson: Writing Event Listeners (The Java™ Tutorials > Creating a GUI With JFC/Swing)