### Question:
BRRelativeMeasurementTableModel extends AbstractTableModel { public int getColumnCount() { return d_br.getAlternatives().size(); } BRRelativeMeasurementTableModel(MetaBenefitRiskAnalysis bra); int getColumnCount(); int getRowCount(); @Override boolean isCellEditable(int row, int col); @Override String getColumnName(int index); @Override Class<?> getColumnClass(int index); Object getValueAt(int rowIndex, int columnIndex);  }### Answer:
@Test public void testGetColumnCount() { assertEquals(d_brAnalysis.getAlternatives().size(), d_pm.getColumnCount()); }