question: private String createKeywordDisplayName ( TaxonKeyword keyword ) { String combined = null ; if ( keyword != null ) { String scientificName = StringUtils . trimToNull ( keyword . getScientificName ( ) ) ; String commonName = StringUtils . trimToNull ( keyword . getCommonName ( ) ) ; if ( scientificName != null && commonName != null ) { combined = scientificName + " (" + commonName + ")" ; } else if ( scientificName != null ) { combined = scientificName ; } else if ( commonName != null ) { combined = commonName ; } } return combined ; }
target:  Construct display name from TaxonKeyword's scientific name and common name properties. It will look like: scientific name (common name) provided both properties are not null.