Simplest way to read and display a jpeg image

What is the simplest way to read and display a jpeg image in Java?

Code:

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import javax.swing.JFrame ;

class JpgMini {
    public static void main(String [] args) {
        JFrame f = new JFrame(args[0]);
        f.getContentPane().add(new javax.swing.JLabel(new javax.swing.ImageIcon(args[0])));
        f.setSize(200,200);
        f.setVisible(true);
    }
}

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There are a lot better ways to read and display images, but start with something that works and look through the java.awt. and javax.swing classes for ways to improve it.