Hello, I am doing a registration application for a person, where he needs to fill in his personal data and also the address data, being possible to register types of addresses (temporary, fixed, residential ...), each type of address will have the same fields for filling (public place, number, complement, neighborhood ...), so I put a Drop-down to select the type of address, and fill in the data, if there is data in the database, they must fill the fields when I changed the address type in the drop-down, I am using .JSP pages and hibernate, servlets