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POJava - ProgressBar opened after calculating
 

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    <p>I have main file that use ProgressBar. In main file I call ProgressBar as</p> <pre><code>ProgressBar pbFrame = new ProgressBar(); pbFrame.setVisible(true); </code></pre> <p>I call ProgressBar after calling executable file "calculate.exe" to show that calculate.exe is working now. But ProgressBar opens when "calculate.exe" finished. How to make parallel executing of "calculate.exe" and ProgressBar? I hear about SwingWorker but I absolutely don't understand how to use it in my application.</p> <p>My ProgressBar file:</p> <pre><code>public class ProgressBar extends JFrame { static private int BOR = 10; private String filename; public ProgressBar() { super("Calculating progress"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JPanel panel = new JPanel(); panel.setBorder(BorderFactory.createEmptyBorder(BOR, BOR, BOR, BOR)); panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS)); panel.add(new JLabel("Calculating...")); panel.add(Box.createVerticalGlue()); JProgressBar progressBar1 = new JProgressBar(); progressBar1.setIndeterminate(true); panel.add(progressBar1); panel.add(Box.createVerticalGlue()); JPanel buttonsPanel = new JPanel(); buttonsPanel.setLayout(new BoxLayout(buttonsPanel, BoxLayout.Y_AXIS)); buttonsPanel.add(Box.createVerticalGlue()); JButton quitButton = new JButton("OK!"); quitButton.setHorizontalAlignment(JButton.CENTER); quitButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { dispose(); } }); panel.add(quitButton); getContentPane().setLayout(new BorderLayout()); getContentPane().add(panel, BorderLayout.CENTER); setPreferredSize(new Dimension(200, 110)); setLocationRelativeTo(null); pack(); } </code></pre> <p>}</p> <p>thanks in advance!</p>
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    1. CO_I absolutely don't understand how to use it_ well, I have a hard time understanding what can possibly un-understandable with the example in the api doc ... start there (and or the tutorial referenced in the swing tag wiki), try to adjust it to your context and come back with a SSCCE that demonstrates where exactly you are stuck
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      1. USkleopatra
 

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