Дедо Мраз Адреси

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

class MapEntry<K extends Comparable<K>,E> implements Comparable<K> {

    // Each MapEntry object is a pair consisting of a key (a Comparable
    // object) and a value (an arbitrary object).
    K key;
    E value;

    public MapEntry (K key, E val) {
        this.key = key;
        this.value = val;
    }

    public int compareTo (K that) {
    // Compare this map entry to that map entry.
        @SuppressWarnings("unchecked")
        MapEntry<K,E> other = (MapEntry<K,E>) that;
        return this.key.compareTo(other.key);
    }

    public String toString () {
        return "<" + key + "," + value + ">";
    }
}

class SLLNode<E> {
    protected E element;
    protected SLLNode<E> succ;

    public SLLNode(E elem, SLLNode<E> succ) {
        this.element = elem;
        this.succ = succ;
    }

    @Override
    public String toString() {
        return element.toString();
    }
}
class CBHT<K extends Comparable<K>, E> {

    // An object of class CBHT is a closed-bucket hash table, containing
    // entries of class MapEntry.
    private SLLNode<MapEntry<K,E>>[] buckets;

    @SuppressWarnings("unchecked")
    public CBHT(int m) {
        // Construct an empty CBHT with m buckets.
        buckets = (SLLNode<MapEntry<K,E>>[]) new SLLNode[m];
    }

    private int hash(K key) {
        // Translate key to an index of the array buckets.
        return Math.abs(key.hashCode()) % buckets.length;
    }

    public SLLNode<MapEntry<K,E>> search(K targetKey) {
        // Find which if any node of this CBHT contains an entry whose key is
        // equal
        // to targetKey. Return a link to that node (or null if there is none).
        int b = hash(targetKey);
        for (SLLNode<MapEntry<K,E>> curr = buckets[b]; curr != null; curr = curr.succ) {
            if (targetKey.equals(((MapEntry<K, E>) curr.element).key))
                return curr;
        }
        return null;
    }

    public void insert(K key, E val) {      // Insert the entry <key, val> into this CBHT.
        MapEntry<K, E> newEntry = new MapEntry<K, E>(key, val);
        int b = hash(key);
        for (SLLNode<MapEntry<K,E>> curr = buckets[b]; curr != null; curr = curr.succ) {
            if (key.equals(((MapEntry<K, E>) curr.element).key)) {
                // Make newEntry replace the existing entry ...
                curr.element = newEntry;
                return;
            }
        }
        // Insert newEntry at the front of the 1WLL in bucket b ...
        buckets[b] = new SLLNode<MapEntry<K,E>>(newEntry, buckets[b]);
    }

    public void delete(K key) {
        // Delete the entry (if any) whose key is equal to key from this CBHT.
        int b = hash(key);
        for (SLLNode<MapEntry<K,E>> pred = null, curr = buckets[b]; curr != null; pred = curr, curr = curr.succ) {
            if (key.equals(((MapEntry<K,E>) curr.element).key)) {
                if (pred == null)
                    buckets[b] = curr.succ;
                else
                    pred.succ = curr.succ;
                return;
            }
        }
    }

    public String toString() {
        String temp = "";
        for (int i = 0; i < buckets.length; i++) {
            temp += i + ":";
            for (SLLNode<MapEntry<K,E>> curr = buckets[i]; curr != null; curr = curr.succ) {
                temp += curr.element.toString() + " ";
            }
            temp += "\n";
        }
        return temp;
    }

}


public class DedoMrazAdresi {

    public static void main(String[] args) throws NumberFormatException, IOException
    {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int N = Integer.parseInt(br.readLine());//broj na deca koi bile dobri
        CBHT<String,String> dobriDeca = new CBHT<String,String>(N*2);//*2 poradi loadFactor 0.5-0.75
        String[]imeDobriDeca = new String[N];
        String[]adresiDobriDeca = new String[N];
        String ime,adresa;
        for(int i = 0 ; i < N ; i++)
        {
            ime = br.readLine();
            adresa = br.readLine();
            imeDobriDeca[i] = ime;//vnesuvanje na imeto
            adresiDobriDeca[i] = adresa;//vnesuvanje na adresata
        }
        int M = Integer.parseInt(br.readLine());
        CBHT<String,String>promenetiUlici = new CBHT<String,String>(M*2);
        String[] staro_ime = new String[M];
        String[] novo_ime = new String[M];
        String temp;
        for(int i = 0 ; i < M ; i++)
        {
            temp = br.readLine();
            String[]podeleni = temp.split(" ");
            staro_ime[i] = podeleni[0];
            novo_ime[i] = podeleni[1];
        }
        String deteZaProverka = br.readLine();

        for(int i = 0 ; i < N ; i++)
            dobriDeca.insert(imeDobriDeca[i],adresiDobriDeca[i]);//polnime deca so podatoci
        for(int i = 0 ; i < M ; i++)
            promenetiUlici.insert(staro_ime[i],novo_ime[i]);//polnime iminja na ulici
        SLLNode<MapEntry<String,String>>node = dobriDeca.search(deteZaProverka);//go barame deteto
        if(node==null)
            System.out.println("Nema podarok");//ako deteto go nemat vo hashot

        String ulica = node.element.value;
        String[] ulicaSearch = ulica.split(" ");

        if(!ulicaSearch[2].equals("Skopje")){//go delime od prviot hash na 3, ime,ulica,grad za proverka
            System.out.println("Drug grad");
            return;
        }
        SLLNode<MapEntry<String,String>>node1 = promenetiUlici.search(ulicaSearch[0]);
        String novaUlicaPrint = node1.element.value;
        ulicaSearch[0] = novaUlicaPrint;
        for(int i = 0 ; i < ulicaSearch.length;i++)
            System.out.println(ulicaSearch[i] + " ");
    }
}