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Created November 30, 2012 20:41
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Hello World using the JOptionPane
/***********************************************
* HelloGUI.java
* Aaron P. Clark
*
* One of the last programs of the chapter. Exhibits
* the use of the JOPtionPane GUI
***********************************************/
import javax.swing.JOptionPane;
public class HelloGUI
{
public static void main(String[] args)
{
JOptionPane.showMessageDialog(null, "Hello, World!");
}
}
@tresf
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tresf commented Feb 7, 2020

You should consider adding SwingUtilities.invokeAndWait() to ensure the call makes it on the Event Dispatch Thread.

https://gist.github.com/tresf/6e2f0fb8db69457ddc4e05a41b7c7c27

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