question: checks whether the value of the cell is null . concode_field_sep HashSet m_Listeners concode_elem_sep Object[][] m_Data concode_elem_sep ResultSetHelper m_Helper concode_field_sep boolean isNumericAt concode_elem_sep void addTableModelListener concode_elem_sep int getRowCount concode_elem_sep void removeTableModelListener concode_elem_sep boolean isCellEditable concode_elem_sep Object getValueAt concode_elem_sep String getColumnName concode_elem_sep Class getColumnClass concode_elem_sep void finalize concode_elem_sep int getColumnCount concode_elem_sep void setValueAt
target: boolean function ( int arg0 , int arg1 ) { return ( getValueAt ( arg0 , arg1 ) == null ) ; }