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  1. HashSet (Java Platform SE 8 ) - Oracle

    Iterating over this set requires time proportional to the sum of the HashSet instance's size (the number of elements) plus the "capacity" of the backing HashMap instance (the number of …

  2. Java HashSet - W3Schools.com

    Java HashSet A HashSet is a collection of elements where every element is unique. It is part of the java.util package and implements the Set interface.

  3. HashSet in Java - GeeksforGeeks

    2025年11月22日 · HashSet in Java implements the Set interface of the Collections Framework. It is used to store the unique elements, and it doesn't maintain any specific order of elements.

  4. A Guide to HashSet in Java - Baeldung

    2017年12月11日 · In this article, we outlined the utility of a HashSet, its purpose as well as its underlying working. We saw how efficient it is in terms of usability given its constant time …

  5. HashSet In Java - Tutorial With Programming Examples

    2025年4月1日 · HashSet is a collection containing objects that are in a random order. This tutorial will explain all about HashSet in Java with examples.

  6. HashSet in Java – Implementation, Methods & Practical Examples …

    Learn HashSet in Java with methods, implementation, uniqueness property, iteration techniques, and practical examples. Understand how HashSet works internally.

  7. HashSet in Java - Intellipaat

    2025年10月29日 · Working with a HashSet in Java involves a few important operations like adding, removing, and accessing elements. This section will discuss each operation with …

  8. Java HashSet - Coding Shuttle

    2025年4月9日 · This blog covers the HashSet class in Java, explaining its key features, constructors, commonly used methods, performance characteristics, and practical examples. …

  9. Java HashSet - Programiz

    In this tutorial, we will learn about the Java HashSet class. We will learn about different hash set methods and operations with the help of examples.

  10. Java HashSet: A Comprehensive Guide - javaspring.net

    2025年5月23日 · The `HashSet` class in Java provides an efficient way to store and manage such collections. It is part of the Java Collections Framework and offers a powerful set of features …