@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
ContactData other = (ContactData) obj;
if (getFirstname() == null) {
if (other.getFirstname() != null) return false;
} else if (!getFirstname().equals(other.getFirstname())) return false;
if (getLastname() == null) {
if (other.getLastname() != null) return false;
} else if (!getLastname().equals(other.getLastname())) return false;
return true;
}
@Override
public int compareTo(ContactData other) {
int result = this.getFirstname().toLowerCase().compareTo(other.getFirstname().toLowerCase());
if (result == 0) {
result = this.getLastname().compareTo(other.getLastname().toLowerCase());
}
return result;
}
