returns whether this element contains child elements . this method is useful to decide which formatting variant for the xml element can be chosen . concode_field_sep LinkedList children concode_elem_sep ObjectId objectId concode_field_sep Iterator iterator concode_elem_sep void initId concode_elem_sep void clear concode_elem_sep ObjectId getId concode_elem_sep void writeEnd concode_elem_sep void addChild concode_elem_sep void removeLast concode_elem_sep void writeStart
boolean function ( ) { return children . isEmpty ( ) ; }