How to use

positionFrameRandomly

method

in

org.jfree.ui.RefineryUtilities

public static void showChartFrame(ApplicationFrame chartFrame) {
  chartFrame.pack();
  RefineryUtilities.positionFrameRandomly(chartFrame);
  chartFrame.setVisible(true);
}

demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
RefineryUtilities.positionFrameRandomly(demo);
RefineryUtilities.positionFrameOnScreen(demo, 1, 0);
if (visible) {

/**
 * Shows / updates the displayed graph.
 */
public void showMe() {
  boolean shown;
  synchronized(this) {
    shown = isShown;
    if (!isShown) {
      isShown = true;
    }
  }
  if(!shown) {
    this.pack();
    RefineryUtilities.centerFrameOnScreen(this);
    RefineryUtilities.positionFrameRandomly(this);
    RefineryUtilities.positionFrameOnScreen(this, 1, 0);
    this.setVisible(true);
  }
}