public class MyDefaultTableModel extends DefaultTableModel {
	private String[] columnNames;
	private int numberColumn;
	private Object[][] tableData;

	public MyDefaultTableModel(String[] p_columnNames, object[][] p_data) {
		columnNames = p_columnNames;
		tableData = p_data;
	}

	public void updateTableData(Object[][] p_data) {
		tableData = p_data;
		fireTableStructureChanged();
	}

	public int getColumnCount() {
		return columnNames.length;
	}

	public String getColumnName(int col) {
		return columnNames[col];
	}

	public int getRowCount() {
		if (tableData != null)
			return tableData.length;
		else
			return 0;
	}

	public Object getValueAt(int row, int col) {
		return tableData[row][col];
	}

	public boolean isCellEditable(int row, int col) {
		return false;
	}

	public void setValueAt(Object value, int row, int col) {
		tableData[row][col] = value;
		fireTableCellUpdated(row, col);
	}
}