import java.io.File;
import java.util.ArrayList;

import javax.swing.DefaultListModel;
import javax.swing.JFrame;
import javax.swing.JList;

public class TextEditor {

	private JFrame frame;
	private DefaultListModel model;

	public TextEditor() {
		makeFrame();
		getFiles();
		makeList();
		frame.setVisible(true);
	}

	public void getFiles() {
		String filePath = System.getProperty("user.dir") + "\\a";
		File[] files = new File(filePath).listFiles();
		for(File e : files) {
			String name = e.getName();
			this.model.addElement(name);
		}
	}

	private void makeFrame() {
		frame = new JFrame("Text Editor");
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setSize(800, 600);
		frame.setResizable(false);
	}

	@SuppressWarnings({ "unchecked", "rawtypes" })
	private void makeList() {
		JList list = new JList<>(model);
		frame.add(list);
	}
	public static void main(String[] args) {
		TextEditor window = new TextEditor();

	}

}