Java class "address book"

Class keeps a list of addresses of different people. Address consists of street , house , apartment number. Person is given by surname. One person has one address.

Methods:

Put person with his address into address book. If adding is successful, method will return true. If person contains in book, will return false.

addHuman(String name, Address address)

Remove person from address book. If removing is successful, method will return true. If person don't contains in book, will return false.

deleteHuman(String name)

Change address of person. If address book don't contains recording about this person or new address same with old address, method will return false. Otherwise will return true.

changeAddress(String name, Address address)

Returns address of person. If address book don't contains recording about this person, method will return null.

findAddress(String name)

Returns persons who live on assigned street or house.

findPersons(String street)
findPersons(String street, int number)

Returns Map<String, Address> of all entries.

getData()

Overrides:

toString() 
hashCode() 
equals(Object o) 

Class Address

Fields:

String street
int number
int apartment

Constructor:

Address(String street, int number, int apartment)

Methods:

Return apartment:

getApartment()

Return nubmer:

getNumber()

Return street:

getStreet() 

Overrides:

toString() 
hashCode() 
equals(Object o)