Address data class

Address.java

public class Address{
    private final String addressLine1;
    private final String AddressLine2;
    private final Integer postalCode;

    Address(final String addressLine1,
            final String addressLine2,
            final Integer postalCode) {
        this.addressLine1 = addressLine1;
        this.AddressLine2 = addressLine2;
        this.postalCode = postalCode;
    }
}