Slovnik

public class Slovnik
{
    private String[]    dictCzech;
    private String[]    dictEn;

    public Slovnik(int velikostSlovniku)
    {
        int size = (int)(velikostSlovniku * 1.3);

        dictCzech = new String[size];
        dictEn = new String[size];
    }

    public void pridej(String cesky, String anglicky)
    {
        int tmp = this.udelejHash(cesky) % dictCzech.length;

        while (tmp < dictCzech.length)
        {
            if (dictCzech[tmp] == null){
                dictCzech[tmp] = cesky;
                dictEn[tmp] = anglicky;

                break;
            }else{
                tmp++;
            }
        }
    }

    public String preloz(String cesky)
    {
        int tmp = this.udelejHash(cesky) % dictCzech.length;

        while (tmp < dictCzech.length)
        {
            if (dictCzech[tmp] == null)
                break;
            else if (dictCzech[tmp].equals(cesky))
                return dictEn[tmp];
            else
                tmp++;
        }

        return "Nenalezeno ve slovníku!";
    }

    private int udelejHash(String str)
    {
        int hash = 0;

        for (int i = 0; i < str.length(); i++)
            hash += (int)str.charAt(i);

        return hash;
    }
}