int row = Integer.parseInt(rowIndexBox.getText());
headerTable.insertCell(row, cell);
} else if (sender == removeRowButton) {
// Remove Row
int row = Integer.parseInt(rowIndexBox.getText());
headerTable.removeRow(row);
} else if (sender == removeCellButton) {
// Remove Cell
int cell = Integer.parseInt(cellIndexBox.getText());
int row = Integer.parseInt(rowIndexBox.getText());
headerTable.removeCell(row, cell);