import java.util.Hashtable;

class TestJavaHashTable {

  public static void main(String[] args) {

    Hashtable<String, Integer> ht = new Hashtable<String, Integer>();
    // Placing items into the hash table
    ht.put("Sarah", 12);
    ht.put("Mike", 52);
    ht.put("Janet", 46);
    ht.put("Jack", 46);
    // Retrieving items from the hash table
    System.out.println("Janet => " + ht.get("Janet"));
    System.out.println("Mike => " + ht.get("Mike"));
    System.out.println("Nobody => " + ht.get("Nobody"));
  } // end main
} // end TestJavaHashTable