At the base of the Framework are the interfaces java.util.Collection and java.util.Map. The Collection interface represents just a group of objects, with no particular order or restriction.

This article discusses the purpose behind the Java Collections Framework, how Java collections work, and how developers and programmers can use Java collections to their best advantage.

To illustrate how generics are used in the Java Collections Framework, let’s look at some examples. List and ArrayList with generics In the above example, we already briefly explored a simpler ...

Proposal for enhancing the Java programming language would define interfaces for sequenced collections, sequenced sets, and sequenced maps.