Configurando o Eclipse

import static com.teamdev.jxbrowser.engine.RenderingMode.HARDWARE_ACCELERATED;

import com.teamdev.jxbrowser.browser.Browser;
import com.teamdev.jxbrowser.engine.Engine;
import com.teamdev.jxbrowser.view.swing.BrowserView;
import java.awt.BorderLayout;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.WindowConstants;

public class HelloWorld {

    public static void main(String[] args) {
        // Criar e executar o motor Chromium.
        var engine = Engine.newInstance(HARDWARE_ACCELERATED);
        var browser = engine.newBrowser();

        SwingUtilities.invokeLater(() -> {
            // Criando o componente Swing para renderizar o conteúdo web
            // carregado na instância do Browser dado.
            var view = BrowserView.newInstance(browser);

            // Criando e exibindo o frame da aplicação Swing.
            var frame = new JFrame("Hello World");
            // Fecha o motor e fecha a janela da aplicação.
            frame.addWindowListener(new WindowAdapter() {
                @Override
                public void windowClosing(WindowEvent e) {
                    engine.close();
                }
            });
            frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
            var addressBar = new JTextField("https://www.google.com");
            addressBar.addActionListener(e ->
                    browser.navigation().loadUrl(addressBar.getText()));
            frame.add(addressBar, BorderLayout.NORTH);
            frame.add(view, BorderLayout.CENTER);
            frame.setSize(800, 500);
            frame.setLocationRelativeTo(null);
            frame.setVisible(true);

            browser.navigation().loadUrl(addressBar.getText());
        });
    }
}