While an Enumeration still works for these functions, it has largely been replaced by the Iterator. The entire collections API was revamped in Java 2, with new collection classes and interfaces added ...

Java includes various mechanisms for iteration, including index (for iterating over an array), cursor (for iterating over the results of a database query), enumeration (in early versions of Java ...

The iterator pattern is implemented in Java for all classes which implement a Collection. The Enumeration interface defines the methods by which you can enumerate (obtain one at a time) the elements ...

Iterator differs from Enumeration because iterator allows the caller to remove the elements while traversing through the collection. Enumeration doesn't have remove method. Enumeration is a legacy ...

In this blog we will learn how to iterate over the elements of a collection (here we considered arraylist) using generics and without generics.first we will go through the process of using iterator ...

Iterator objects don't store objects the way arrays and linked lists do. See how using a filtering Iterator class can help you avoid wasted memory and decreased performance.

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 ...