jtable comboboxes

import java.awt.BorderLayout;
import javax.swing.*;
import javax.swing.table.DefaultTableModel;

public class TwoDCombos extends JPanel {
    private static final String[] COLUMNS = {"One", "Two", "Three", "Four"};
    private static final String[] COMBO_TEXTS = {"Monday", "Tuesday", "Wednesday", "Thursday", "Friday"};
    private String[][] dataNucleus = {
        {COMBO_TEXTS[0], COMBO_TEXTS[0], COMBO_TEXTS[0], COMBO_TEXTS[0]},
        {COMBO_TEXTS[0], COMBO_TEXTS[0], COMBO_TEXTS[0], COMBO_TEXTS[0]},
        {COMBO_TEXTS[0], COMBO_TEXTS[0], COMBO_TEXTS[0], COMBO_TEXTS[0]},
        {COMBO_TEXTS[0], COMBO_TEXTS[0], COMBO_TEXTS[0], COMBO_TEXTS[0]}
    };
    private DefaultTableModel tableModel = new DefaultTableModel(dataNucleus, COLUMNS);
    private JTable table = new JTable(tableModel);

    public TwoDCombos() {
    JComboBox<String> comboBox = new JComboBox<>(COMBO_TEXTS);
    table.setDefaultEditor(Object.class, new DefaultCellEditor(comboBox));

    setLayout(new BorderLayout());
    add(new JScrollPane(table));
    }

    public static void main(String[] args) {
    SwingUtilities.invokeLater(() -> {
        TwoDCombos mainPanel = new TwoDCombos();
        JFrame frame = new JFrame("GUI");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.add(mainPanel);
        frame.pack();
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
    });
    }

}