For my website, I am using a ResourceReference, in which a PNG file is
loaded to show it on the web page.

The PNG picture shown well, but when I change that PNG picture by redrawing
it in Java with the help of Graphics2D, you still see the former PNG picture
on the web page, whereas the newest PNG picture is drawn behind the scenes.
That redrawing works fine.

What I want, is the following:

Each time, when the PNG picture is redrawn that new PNG picture must be
shown on the web page, immediately after that, when you refreshes the page.
Now, you only get that new PNG picture, when you close your browser and
reopens it and goed to the webpage again.

Does someone know how to 'refresh' that newly redrawn PNG picture in the

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