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POClose JFrame from a JButton process remain alive
 

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    <p>I have a class developed with windowbuilderpro that i want to close also from a JButton further than with the standard X button on the window, so here the example of the class : </p> <pre><code>public class MainWindow { public JFrame frame; public MainWindow() { initialize(); frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); } public void show() { EventQueue.invokeLater(new Runnable() { public void run() { try { //Show the main Frame frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } </code></pre> <p>When i close the window from the X button the window close correctly and the process terminate.</p> <p>When i close instead from a JButton that have this listener : </p> <pre><code>mntmExit.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { //Close the application main form frame.setVisible(false); frame.dispose(); } }); </code></pre> <p>the frame window close correctly but the process remain alive ... Why ?</p> <p><img src="https://i.stack.imgur.com/fl6Jz.png" alt="Process Alive"></p> <p>As you can see there is an AWT-Shutdown thread that start and terminate continuously, How can i achieve the same behaviour of the X button that close also the application process ?</p> <p><strong>Notes :</strong> </p> <p>System.exit(0); is not suitable because it terminate the application also if there are another background running thread and i don't want that . The MainWindow class should close and release it's resource, the same behaviour that have closing the application with the X button that close the MainWindow instance but if there are background thread running it doesn't kill they but wait until they finished their work...</p> <p><strong>Enviroment :</strong> </p> <ul> <li>JDK 7</li> <li>Eclipse 3.7.1</li> </ul>
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    1. COSomething I should have said before:- For better help sooner, post an [SSCCE](http://pscode.org/sscce.html). In an SSCCE, a loose timer would have been obvious. And since I am mentioning code, could you choose one of the logical styles of indenting code, and stick to it for future posts? It took me longer to reformat and make sense of that code than it took to turn it into working code.
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      1. USAndrew Thompson
 

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