title: Java detect CTRL+X key combination on a jtree
body: <p>I need an example how to add a keyboard handler that detect when <kbd>Ctrl</kbd>+<kbd>C</kbd> , <kbd>Ctrl</kbd>+<kbd>X</kbd> , <kbd>Ctrl</kbd>+<kbd>C</kbd> pressed on a <code>JTree</code>.</p>
  
  <p>I were do this before with menu shortcut keys but with no success.</p>