Example to display BufferedImage as ImageIcon

package javaeximage;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;

/**
 *
 * @web http://java-buddy.blogspot.com/
 */
public class JavaTestImage {
    
    static JFrameWin jFrameWindow;

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        SwingUtilities.invokeLater(runJFrameLater);
    }
    
    public static class JFrameWin extends JFrame{
         
        public JFrameWin(){
            this.setTitle("java-buddy.blogspot.com");
            this.setSize(300, 200);
            this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

            BufferedImage bufferedImage = null;
            try {
                bufferedImage = ImageIO.read(this.getClass().getResource("duke.png"));
            } catch (IOException ex) {
                Logger.getLogger(JavaTestImage.class.getName()).log(Level.SEVERE, null, ex);
            }
            
            JLabel jLabel = new JLabel(new ImageIcon(bufferedImage));
            
            JPanel jPanel = new JPanel();
            jPanel.add(jLabel);
            this.add(jPanel);
        }
         
    }
    
    static Runnable runJFrameLater = new Runnable() {
         
        @Override
        public void run() {
            jFrameWindow = new JFrameWin();
            jFrameWindow.setVisible(true);
        }
      
    };

}

Related post:
- Example to draw BufferedImage in custom JComponent