Multiple choice technology programming languages

What is the super class of Hashtable?

  1. Map

  2. HashMap

  3. Dictionary

  4. Vector

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Hashtable extends the abstract Dictionary class, which was part of Java's original collection framework in version 1.0. While Dictionary is now deprecated and Hashtable implements the Map interface (since Java 2), Dictionary remains its direct superclass in the class hierarchy.