Java Collection Framework: An Introduction
The Collections Framework provides a well-designed set of interfaces and classes for storing and manipulating groups of data as a single unit, a collection. The framework provides a convenient API to many of the abstract data types familiar from computer science data structure curriculum: maps, sets, lists, trees, arrays, hashtables, and other collections. Because of their object-oriented design, the Java classes in the Collections Framework encapsulate both the data structures and the algorithms associated with these abstractions. The framework provides a standard programming interface to many of the most common abstractions, without burdening the programmer with too many procedures and interfaces. The operations supported by the collections framework nevertheless permit the programmer to easily define higher-level data abstractions, such as stacks, queues, and thread-safe collections.
The following diagrams show some of the classes and interfaces that are available in Collection:
Explore the Interface and Classes of Java Collection Framework
Collection Interface
Iterator Interface
Set Interface
List Interface
ListIterator Interface
Map Interface
SortedSet Interface
SortedMap Interface
HashSet & TreeSet Classes
ArrayList & LinkedList Classes
HashMap & Treemap Classes
Vector and Stack Classes
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