public class UserService {
@NotNull
@Size(min = 6, max = 20)
public void createUser(@NotNull String username, @Size(min = 8) String password) {
// ...
}
}
public class Main {
public static void main(String[] args) {
UserService userService = new UserService();
try {
} catch (InvalidParameterException e) {
}
}
}
