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. By using a filtering ...

Certain principles hold for the use of iterators: In general, you should be able to have multiple traversals in progress at the same time; that is, an iterator should allow for the concept of nested ...

A Collection in simple terms means when a group of similar things, often a group created by someone is known as a collection. A collection when collected works like a container – it groups multiple ...