Print a HashMap that uses external chaining

externalchaining.java

    public void printString() {
        int i = 0;
        while (i < table.length) {
            MapEntry<K, V> entry = table[i];
            System.out.print(i + ": ");
            while (entry != null) {
                System.out.print(entry.getKey() + " -> ");
                entry = entry.getNext();
            }
            System.out.println("");
            i++;
        }
        System.out.println("Size: " + size);
        System.out.println("Load factor: " + (size * 1.0 / table.length));
        System.out.println("Keyset: " + keySet().toString());
        System.out.println("Values: " + values().toString());
    }