Collections in java: The java

The java.util package contains the Collections class in Java . The Java Collections class is used with the static methods that operate on the collections or return the collection. In this tutorial, you will learn about collection framework in Java . You will also be introduced to different interfaces in the Java collection framework. A collections framework is a unified architecture for representing and manipulating collections, enabling collections to be manipulated independently of implementation details. The Java Collections Framework provides a set of interfaces (like List, Set, and Map) and a set of classes (ArrayList, HashSet, HashMap, etc.) that implement those interfaces.