Person data builder

PersonBuilder.java

class PersonTest {
    @Test
    public void shouldReturnFalseForInCorrectEmail() {
        Person person = PersonBuilder.defaultBuilder()
                .email("99999")
                .build();
        
        boolean isValidEmail = person.isValidEmail();
        assertFalse(isValidEmail);
    }
}

class PersonBuilder {
    private Integer identificationNumber;
    private String name;
    private String email;
    private String phoneNumber;
    private String mobileNumber;
    private Address homeAddress;
    private Address officeAddress;

    public static PersonBuilder builder() {
        return new PersonBuilder();
    }

    public PersonBuilder identificationNumber(
        final Integer identificationNumber
    ) {
        this.identificationNumber = identificationNumber;
        return this;
    }

    public PersonBuilder name(final String name) {
        this.name = name;
        return this;
    }

    public PersonBuilder email(final String email) {
        this.email = email;
        return this;
    }

    public PersonBuilder phoneNumber(final String phoneNumber) {
        this.phoneNumber = phoneNumber;
        return this;
    }

    public PersonBuilder mobileNumber(
        final String mobileNumber
    ) {
        this.mobileNumber = mobileNumber;
        return this;
    }

    public PersonBuilder homeAddress(
        final Address homeAddress
    ) {
        this.homeAddress = homeAddress;
        return this;
    }

    public PersonBuilder officeAddress(
        final Address officeAddress
    ) {
        this.officeAddress = officeAddress;
        return this;
    }

    public Person build() {
        return new Person(
                identificationNumber,
                name,
                email,
                phoneNumber,
                mobileNumber,
                homeAddress,
                officeAddress
        );
    }

    public static PersonBuilder defaultBuilder(){
        return PersonBuilder
                .builder()
                .name("John")
                .email("john@gmail.com")
                .phoneNumber("888888")
                .mobileNumber("888888");
    }
}