Collection in java: This tutorial is a one-stop

This tutorial is a one-stop shop for all the Java collections interfaces, implementation classes, interface questions and answers, practical examples. 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. Collections : Collections is a utility class present in java .util package. It defines several utility methods like sorting and searching which is used to operate on collection . It has all static methods. These methods provide much-needed convenience to developers, allowing them to effectively work with Collection Framework.