@Override
    public String toString() {
        return new ToStringCreator(this)

            .append("id", this.getId())
            .append("new", this.isNew())
            .append("lastName", this.getLastName())
            .append("firstName", this.getFirstName())
            .append("address", this.address)
            .append("city", this.city)
            .append("telephone", this.telephone)
            .toString();
    }
Return the Pet with the given name, or null if none found for this Owner.

@param name to test
@return true if pet name is already in use
src/main/java/org/springframework/samples/petclinic/model/Owner.java