// ... then ZIP code
SafeNumberUtils.compare(this.getContactZipCode(), contact.getContactZipCode()),
// ... and city
- this.getContactCity().compareTo(contact.getContactCity()),
+ StringUtils.compare(this.getContactCity(), contact.getContactCity()),
// ... street name
StringUtils.compareIgnoreCase(this.getContactStreet(), contact.getContactStreet()),
// ... house number