import java.awt.Dimension;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;

public class Launcher {

    public static void main (String... argv) {
        SwingUtilities.invokeLater(new Runnable() {

            @Override
            public void run() {
                // TODO Auto-generated method stub
                TextEditor textEditor = new TextEditor();
                textEditor.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            }
        });
    }
}

class TextEditor extends JFrame {

    public TextEditor () {
        createGui();
    }

    private void createGui () {
        JTextArea textArea = new JTextArea();
        getContentPane().add(new JScrollPane(textArea));
        setPreferredSize(new Dimension(500, 500));
        pack();
        setVisible(true);
    }
}