gets the value of the activationoptionfilter property . this accessor method returns a reference to the live list , not a snapshot . therefore any modification you make to the returned list will be present inside the jaxb object . this is why there is not a set method for the activationoptionfilter property . for example , to add a new item , do as follows : getactivationoptionfilter . add newitem ; objects of the following type s are allowed in the list displayadspecactivationoption concode_field_sep Long width concode_elem_sep List<DisplayAdSpecActivationOption> activationOptionFilter concode_elem_sep Long height concode_field_sep Long getHeight concode_elem_sep Long getWidth concode_elem_sep void setWidth concode_elem_sep void setHeight
List < DisplayAdSpecActivationOption > function ( ) { if ( activationOptionFilter == null ) { activationOptionFilter = new ArrayList < DisplayAdSpecActivationOption > ( ) ; } return this . activationOptionFilter ; }