First, here's the lambda syntax for a Runnable that was introduced with Java 8, and now works with Java 11, Java 14, Java 17...
You can also use this lambda approach to create a Java Thread, without creating a reference (variable) to the thread...
If you can't use Java 8+ lambdas - or don't want to - here's the pre-lambda thread syntax using a Runnable...
With Java 8 lambdas, this ActionListener/ActionEvent code...can be rewritten as this...
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