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The Collection framework represents a unified architecture for storing and manipulating a group of objects. It has: Interfaces and its implementations, i.e., classes. Algorithm. Do You Know? What are the two ways to iterate the elements of a collection? What is the difference between ArrayList and LinkedList classes in collection framework?
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- Iterable Interface: This is the root interface for the entire collection framework. The collection interface extends the iterable interface. Therefore, inherently, all the interfaces and classes implement this interface.
- Collection Interface: This interface extends the iterable interface and is implemented by all the classes in the collection framework. This interface contains all the basic methods which every collection has like adding the data into the collection, removing the data, clearing the data, etc.
- List Interface: This is a child interface of the collection interface. This interface is dedicated to the data of the list type in which we can store all the ordered collection of the objects.
- Queue Interface: As the name suggests, a queue interface maintains the FIFO(First In First Out) order similar to a real-world queue line. This interface is dedicated to storing all the elements where the order of the elements matter.
- Interfaces of Collections FrameWork. The Java collections framework provides various interfaces. These interfaces include several methods to perform different operations on collections.
- Java Collection Interface. The Collection interface is the root interface of the collections framework hierarchy. Java does not provide direct implementations of the Collection interface but provides implementations of its subinterfaces like List, Set, and Queue.
- Subinterfaces of the Collection Interface. As mentioned earlier, the Collection interface includes subinterfaces that are implemented by Java classes. All the methods of the Collection interface are also present in its subinterfaces.
- Java Map Interface. In Java, the Map interface allows elements to be stored in key/value pairs. Keys are unique names that can be used to access a particular element in a map.
Learn about the Java platform's collections framework, which provides a unified architecture for representing and manipulating collections. The framework consists of interfaces, implementations, algorithms, and utilities for various types of collections.
- Introduction. The Java platform includes a collections framework. A collectionis an object that represents a group of objects (such as the classic Vectorclass).
- Collection Interfaces. The collection interfaces are divided into two groups. The most basic interface, java.util.Collection, has the following descendants
- Collection Implementations. Classes that implement the collection interfaces typically have names in the form of . The general purpose implementations are summarized in the following table
- Concurrent Collections. Applications that use collections from more than one thread must be carefully programmed. In general, this is known as concurrent programming.
Jun 12, 2024 · Collection Framework: To represent a group of objects as a single entity in the Java programming language we need classes and interfaces defined by the Collection Framework. If are from C++ background that you can compare Collection with Containers and Collection Framework with STL(Standard Template Library).
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The Collection in Java is a framework that provides an architecture to store and manipulate the group of objects. All the operations that you perform on a data such as searching, sorting, insertion, manipulation, deletion, etc. can be achieved by Java Collections.
