[Solved] displaying image in java, no main class found [closed]

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Want to display Image, try something like this:

import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
import javax.swing.*;

public class ImagePanel extends JPanel{
    private BufferedImage bi;

    public ImagePanel() {  

      try {
            bi = ImageIO.read(new File("Your Image Path"));
        } catch (IOException ex) {
            Logger.getLogger(ImagePanel.class.getName()).log(Level.SEVERE, null, ex);
        }


        final JPanel panel = new JPanel(){
            @Override
            protected void paintComponent(Graphics g){
                Graphics g2 = g.create();
                g2.drawImage(bi, 0, 0, getWidth(), getHeight(), null);
                g2.dispose();
            }

            @Override
            public Dimension getPreferredSize(){
                return new Dimension(bi.getWidth()/2, bi.getHeight()/2);
                //return new Dimension(200, 200);
            }
        };

        add(panel);
    }  

        public static void main(String args[]){
            SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                ImagePanel imgPanel=new ImagePanel();
                JOptionPane.showMessageDialog(
                        null, imgPanel, "Image Panel", JOptionPane.PLAIN_MESSAGE);
            }
        });
        }
}

Output

Panel

solved displaying image in java, no main class found [closed]