Java Collections Framework Overview

These flashcards cover key terminology and concepts from the Java Collections Framework, focusing on data structures, their operations, and related interfaces.

Container Object

An object that stores other objects, referred to as data or elements, often used in object-oriented programming.

ArrayList

A data structure in Java that stores elements in a dynamic array, allowing for flexible resizing.

Java Collections Framework

A framework that provides a set of classes and interfaces for storing and manipulating collections of data.

Collection Interface

The root interface defining operations for manipulating a collection of objects in the Java Collections Framework.

Set

A data structure that stores a group of non-duplicate elements.

List

A data structure that stores an ordered collection of elements.

Stack

A collection that stores objects in a last-in, first-out (LIFO) manner.

Queue

A collection that stores objects in a first-in, first-out (FIFO) manner.

PriorityQueue

A collection that processes its elements based on their priority.

AbstractCollection

A class that provides partial implementation of the Collection interface in Java.

UnsupportedOperationException

An exception thrown when a method is not supported in a certain subclass of the Collection interface.

Iterator

An object that enables traversing through a collection and accessing its elements.

Concrete Class

A class that implements an interface using concrete data structures.

add() Method

A method used to add an element to a collection in Java.

toArray() Method

A method that returns an array representation of the collection.