Sep 6, 2021 · ------------------------------------------------------------------------------------------ Different topics covered in this tutorial :- Collections Framework in Java by Deepak;...

Mar 21, 2025 · Any group of individual objects that are represented as a single unit is known as a Java Collection of Objects. In Java, a separate framework named the “Collection Framework” has been defined in JDK 1.2 which holds all the Java Collection Classes and Interface in it.

The Java Collections Framework provides a unified architecture for managing collections of objects. Understanding the hierarchy and the different interfaces and classes available allows you to choose the appropriate collection for your specific needs.

Jan 16, 2025 · The hierarchy of the entire collection framework consists of four core interfaces such as Collection, List, Set, Map, and two specialized interfaces named SortedSet and SortedMap for sorting. All the interfaces and classes for the collection framework are located in java.util package .

#java #javatutorials #deepak #smartprogramming Java Development Course : https://courses.smartprogramming.in For more details Call or What's App : +91 98887-55565 ----- Different topics covered in this tutorial :- Collections Framework in Java by Deepak; Collection & Map Hierarchy; Collections Framework Hierarchy; Collection Hierarchy in java ...

Apr 10, 2025 · The Java Collections Framework is structured around key interfaces-Collection, List, Set, Queue, and Map. Each tailored for specific data management tasks. Implementations like ArrayList, HashSet, and HashMap offer practical solutions for working with these collections, giving Java developers a versatile set of tools for efficient data handling.

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.

Explore the Java Collections Framework, its interfaces, classes, and how to use them effectively in your Java applications. Get an in-depth understanding of the Java Collections Framework and enhance your Java programming skills.

Oct 14, 2021 · Play with it to see how it works: public static void main(String[] args) { Country countryUkraine = new Country("Ukraine"); Map countriesVisited = new HashMap<String, List<Country>>(); countriesVisited.put("George", Arrays.asList( new Country("Japan"), new Country("Brazil"), new Country("Poland"), .

The following class diagram shows a brief overview of the Java Collections Framework which is divided into four groups: List, Set, Map and Queue. Only the principal, commonly-used interfaces and classes are listed. Class diagram of Java Collections framework. There are also more detailed class diagrams for each group: Class diagram of List API.