In Java 1.0 and 1.1, the two primary collection classes were Vector and Hashtable, and the Iterator design pattern was implemented in a class called Enumeration.

HashMap vs. Hashtable similarities Both the Hashtable and HashMap implement the Map interface and both share the same set of methods used to add, remove and manipulate elements of a key-value, ...

I have the following variable:Hashtable contentDirectories = new Hashtable();I have subsequently filled the hashtable with 1 or more entries as such:code:public void addDirectory(String configInfo ...