title: How to open JFileChooser with predefined size
body: <pre><code>chooser = new JFileChooser();
  chooser.setSize(300, 200);
  if (chooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
  .......
  }
  </code></pre>
  
  <p>This doesn't work.
  Always opens in default size.</p>