package javaawt;

import java.awt.BorderLayout;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class Javaawt extends JFrame {

    public static void main(String[] args) throws IOException {
        var mainFrame = new Javaawt("Hello World example");
        mainFrame.setSize(300, 200);
        mainFrame.setVisible(true);
    }

    public Javaawt(String frameTitle) throws IOException {
        super(frameTitle);

        var title = new JLabel("Hello World", JLabel.CENTER);
        var quitButton = new JButton("Quit");

        // l'image vient d'une resource récupérée par le loader de la classe
        var loader = this.getClass().getClassLoader();
        var resource = loader.getResource("javaawt/img.png");
        var icon = new ImageIcon(resource);
        var labelImage
                = //         new JLabel("Image ici", JLabel.CENTER);
                new JLabel(icon);

        var controlPanel = new JPanel();
        controlPanel.setLayout(new BorderLayout());

        controlPanel.add(title, BorderLayout.NORTH);
        controlPanel.add(labelImage, BorderLayout.CENTER);
        controlPanel.add(quitButton, BorderLayout.EAST);

        add(controlPanel);

        quitButton.addActionListener(a -> System.exit(0));
        addWindowListener(new WindowAdapter() {

            @Override
            public void windowClosing(WindowEvent we) {
                System.exit(0);
            }
        });
    }
}

$ jar tf dist/javaawt.jar 
META-INF/
META-INF/MANIFEST.MF
javaawt/
javaawt/Javaawt$1.class
javaawt/Javaawt.class
javaawt/img.png

$ tree src/
src/
└── javaawt
    ├── img.png
    └── Javaawt.java

1 directory, 2 files