The Java Collections Framework, also known as the Collections API, is a unified framework for representing and manipulating collections. Through the Collections Framework, you can manipulate collections of objects independently of the particular ways that the objects are implemented. The Collections Framework is composed of four groups of interfaces or classes.
Implementations of the collection interfaces
Partial implementations of collection interfaces
The Collections Framework provides interfaces to two basic types of collections: collections and maps represented by the java.util.Collection and java.util.Map interfaces, respectively. Collections implementing the ...