Hoe to display jpg file

I want to display a picture when a button is clicked on. BinTallOne is the button. Compiler can't resolve symbol, symbol being getImage(). Is there a method I could use to get a jpg file and display it? ActionListener has been implemented and added to button.Thanks Mike
code:
public void actionPerformed(ActionEvent ae) {
String label = ae.getActionCommand();
if (label.equals("BinTallOne")) {
BinTallOne = getImage("MePic.JPG");
}
}

http://java.sun.com/docs/books/tutorial/uiswing/misc/icon.html
The above link will show you how to use image icon
ImageIcon(byte[] imageData)
Creates an ImageIcon from an array of bytes which were read from an image file containing a supported image format, such as GIF or JPEG.
Hope that helps, Tom
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Thank-you