2 public class UserData
{
8 public void setFirstname(String value
) {
12 public void setLastname(String value
) {
16 public void setEmail(String value
) {
20 public void setAge(Integer value
) {
24 public String
getFirstname() {
28 public String
getLastname() {
32 public String
getEmail() {
36 public Integer
getAge() {