title: Will changes made to GraphicsDevice reset after quitting application?
body: <p>In Java, when you change the display mode:</p>
  
  <pre><code>GraphicsEnvironment gd =
              GraphicsEnvironment.getLocalGraphicsEnvironment();
  GraphicsDevice dev = gd.getDefaultScreenDevice();
  
  int w = 800;
  int h = 600;
  int depth = dev.getDisplayMode().getBitDepth();
  DisplayMode DM = new DisplayMode(w,h,depth,
                  DisplayMode.REFRESH_RATE_UNKNOWN);
  dev.setDisplayMode(DM);
  </code></pre>
  
  <p>Will the changes made here remain or reset after the application has exited?
  I wonder this because if you maybe made a typo, like setting the depth/resolution wrong.</p>