Java Collections Framework
Chapter 11: Java Collections Framework Chapter 11: Java Collections Framework 🔰 Introduction The Java Collections Framework (JCF) is a set of classes and interfaces that implement commonly reusable collection data structures. It provides algorithms and utilities to manage groups of objects effectively. 🌲 Core Interfaces in Collections Collection: Root interface of the collection hierarchy. List: An ordered collection that allows duplicate elements (e.g., ArrayList, LinkedList). Set: A collection that does not allow duplicate elements (e.g., HashSet, TreeSet). Map: Stores key-value pairs (e.g., HashMap, TreeMap). Queue: Designed for holding elements prior to processing (e.g., LinkedList, PriorityQueue). 🔄 List Interface Ordered, allows duplicate elements. Access by index. List<String> names = new ArrayList<>(); names.add("Alice"); names.add("Bob"); 🧱 Set Interfac...