import java.util.ArrayList;
import java.util.Random;

public class Z3Producer implements Runnable
{
    public static ArrayList<String> pwdArray = new ArrayList<String>();
    public static volatile int currentSize = 0;

    public void run()
    {
        while (Zadanie3.state)
        {
            if (currentSize < 3)
            {
                if ((Math.pow(36, currentSize)) == pwdArray.size())
                    currentSize++;
                String newPwd = randomString();
                if (!pwdArray.contains(newPwd))
                    pwdArray.add(newPwd);
            }
        }
    }

    private static String randomString()
    {
        String alphabet = new String("1234567890qwertyuiopasdfghjklzxcvbnm");
        Random random = new Random();
        String output = new String();
        for (int i = 0; i < currentSize; i++)
        {
            output += (alphabet.charAt(random.nextInt(alphabet.length())));
        }
        return output;

    }
}