How to obtain date of creation if image is obtained using getImage()

When Image is obtained using getImage() method , how to
obtain date of creation or another header value if image is
obtained using getImage method.

Actually, some formats do indeed have creation or modification dates built in. e.g. http://www.w3.org/TR/PNG-Chunks.html#C.tIME. (Of course since most programs save a new copy of the file every time, the two dates are the same.) However, just because formats have this data doesn't mean it's reliable or even present. Your best bet is to pass creation dates in an Applet param tag for applets (assuming you were referring to Applet.getImage()) or to parse out a filename from a classloader URL and use a File object to check (assuming you were instead referring to Toolkit.getImage(URL)). That's the best answer I have without knowing more about what you are trying to accomplish.

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