### Question:
Address implements Serializable { public void setAddressLine1(String addressLine1) { this.addressLine1 = addressLine1; changeType(Type.COMBINED_ELEMENTS); }  Type getType(); String getName(); void setName(String name); String getAddressLine1(); void setAddressLine1(String addressLine1); String getAddressLine2(); void setAddressLine2(String addressLine2); String getStreet(); void setStreet(String street); String getHouseNo(); void setHouseNo(String houseNo); String getPostalCode(); void setPostalCode(String postalCode); String getTown(); void setTown(String town); String getCountryCode(); void setCountryCode(String countryCode); void clear(); @Override boolean equals(Object o); @Override int hashCode(); @Override String toString();  }### Answer:
@Test void setAddressLine1() { Address address = new Address(); address.setAddressLine1("TYUI"); assertEquals("TYUI", address.getAddressLine1()); assertEquals(Address.Type.COMBINED_ELEMENTS, address.getType()); }