camilajenny

#include <iostream>
#include <string>

using namespace std;

class Pojazd {
private:
    string lusterko[3] = {"lewe", "prawe"};
protected:
    int id = 0;

camilajenny

#include <string>

using namespace std;

class Pojazd {
private:
    string lusterko[3] = {"lewe", "prawe"};
public:
    //friend class Samochod;
    Pojazd& operator=(const Pojazd&);

camilajenny

import java.util.InputMismatchException;
import java.util.Scanner;
import java.util.regex.*;

public class IPv4Validator {

    private String ipv4;
    private final String IPv4Regex = "\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}";

    IPv4Validator(String ipv4) {