public static void main(String[] args) {
    Hashtable<String> hashtable = new HashtableOpenAddressLinearProbingImpl<String>(10);

    hashtable.insert("A");
    hashtable.insert("a");
    hashtable.insert("B");
    hashtable.insert("C");
    hashtable.insert("D");
    hashtable.insert("E");
    hashtable.insert("F");
    hashtable.insert("G");
    hashtable.insert("H");
    hashtable.insert("I");

    System.out.println(hashtable);

    hashtable.remove("F");

    System.out.println(hashtable);

    String a = hashtable.search("A");
    String x = hashtable.search("X");
    print("Should be found a : " + a);
    print("Should be found null !" + x);
  }