How can I add a row into a JTable with JButton

Hi all. I have the following code:
package gui;
import db.*;
import javax.swing.table.AbstractTableModel;
import java.util.ArrayList;
public class FoundersTable extends AbstractTableModel{
    private static final int COLUMNS = 8;
    private String columnNames[] = {"��� ����", "���", "�������", "�������", "���������", "��������",
            "����� �� ����������", "������ �� ����, �����"};
    private ArrayList data;
    public FoundersTable(){
        data = new ArrayList();
    public int getRowCount() {
        return data.size();
    public int getColumnCount() {
        return columnNames.length;
    public String getColumnName(int colIndex) {
        return columnNames[colIndex];
    public Object getValueAt(int rowIndex, int columnIndex) {
        return ((ArrayList)data.get(rowIndex)).get(columnIndex);
    public void setValueAt(Object value, int rowIndex, int columnIndex) {
        ((ArrayList)data.get(rowIndex)).set(columnIndex, value);
        fireTableCellUpdated(rowIndex, columnIndex);
    public void addRow(ArrayList neueZeile) {
        data.add(neueZeile);
        int index = data.size() - 1;
        fireTableRowsInserted(index, index);
    public void removeRow(int index) {
        data.remove(index);
        fireTableRowsDeleted(index, index);
    public void removeAllRows() {
        data.clear();
        fireTableRowsDeleted(0, 0);
    public boolean isCellEditable(int rowIndex, int columnIndex) {
        return true;
}Now in my MainJFrame class I have one button for additing and one button for removing a selected row. How can I add/remove rows with this two buttons.
Thanks

No my question is how can I add and remove rows WITH buttons My point was the code is the same. You use the addRow(...) method. Why did you write an addRow(...) method if you aren't going to use it?
I don't understand your problem. Do you not know how to write an ActionListener?

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