public class Address {
    // fields

    public void save () {
        // id != null -> edit
    }
}
@@ -1,40 +1,539 @@
-public class Address %7B%0A    // fields
+import java.util.Date;%0Aimport java.text.SimpleDateFormat;%0Aimport java.lang.Exception;%0Aimport java.sql.*;%0A%0Apublic class Address %7B%0A    // fields%0A    private int id = 0;%0A    private String name;%0A    private String christianname;%0A    %0A    private String addressform;%0A    private String email;%0A    private String phone;%0A    private String mobile;%0A    private String street;%0A%0A    private int number;%0A%0A    private String city;%0A    private String postcode;%0A    private String country;%0A%0A    private Date birthday;%0A%0A    public Address () %7B%0A    %7D
 %0A%0A  
@@ -553,16 +553,33 @@
  save ()
+ throws Exception
  %7B%0A     
@@ -609,9 +609,11 @@
 t%0A    %7D%0A
+%0A%0A
 %7D

Add fields to Address class