returns the number of columns in the result set . concode_field_sep int numColumns_ concode_elem_sep int columnTypes_[] concode_field_sep String getSchemaName concode_elem_sep boolean isCaseSensitive concode_elem_sep String getCatalogName concode_elem_sep boolean isSigned concode_elem_sep int getColumnType concode_elem_sep String getTableName concode_elem_sep String getColumnLabel concode_elem_sep String getColumnName concode_elem_sep String getColumnTypeName concode_elem_sep boolean isDefinitelyWritable concode_elem_sep boolean isWritable concode_elem_sep int getPrecision concode_elem_sep String getColumnClassName concode_elem_sep boolean isAutoIncrement concode_elem_sep boolean isReadOnly concode_elem_sep int getScale concode_elem_sep int isNullable concode_elem_sep boolean isCurrency concode_elem_sep boolean isSearchable concode_elem_sep int getColumnDisplaySize
int function ( ) { return numColumns_ ; }