GeeksforGeeks

Last Updated: 04 February 2025

In Java, the equals() method of the Set class is used to compare two sets for equality. It checks if two sets contain the same elements regardless of their order.Example 1...read more

Java

Java-Collections

Java-Functions

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Set hashCode() Method in Java

Last Updated: 06 February 2025

In Java, the hashCode() method is defined in the Object class and is used to generate a hash code for objects. It plays a very important role in hash-based collections lik...read more

Set isEmpty() method in Java with Examples

Last Updated: 31 December 2018

The java.util.Set.isEmpty() method is used to check if a Set is empty or not. It returns True if the Set is empty otherwise it returns False.Syntax:boolean isEmpty()Parame...read more

Set iterator() method in Java with Examples

Last Updated: 31 December 2018

The java.util.Set.iterator() method is used to return an iterator of the same elements as the set. The elements are returned in random order from what present in the set.S...read more

Set remove() method in Java with Examples

Last Updated: 31 December 2018

The java.util.Set.remove(Object O) method is used to remove a particular element from a Set.Syntax:boolean remove(Object O)Parameters: The parameter O is of the type of el...read more

Set removeAll() Method in Java

Last Updated: 06 February 2025

In Java, the removeAll() method is part of the Collection interface. It is used to remove all elements from a collection that are present in another collection.Example 1: ...read more

Set retainAll() Method in Java

Last Updated: 07 February 2025

In Java, the retainAll() method is used to retain only the elements in a collection that are also present in another collection. It modifies the current collection by remo...read more

Set size() method in Java with Example

Last Updated: 26 July 2024

The java.util.Set.size() method is used to get the size of the Set or the number of elements present in the Set. Syntax:int size()Parameters: This method does not take any...read more

Set toArray() Method in Java

Last Updated: 06 February 2025

In Java, the toArray() method is used to convert a collection to an array. It returns an array containing all the elements in the collection in the correct order.Example 1...read more

Difference between List, Set and Map in Java

Last Updated: 27 September 2021

List interface in Java is a sub-interface of the Java collections interface. It contains the index-based methods to insert, update, delete, and search the elements. It can...read more

Difference Between List and Set in Java

Last Updated: 29 April 2022

The List interface allows storing the ordered collection. It is a child interface of Collection. It is an ordered collection of objects in which duplicate values are allow...read more

Technical Scripter 2020

Java-Collections

java-set

java-list

Java Program to Create Set of Pairs Using HashSet

Last Updated: 03 February 2022

Problem statement: We need to find and print unique pairs among all given pairs.Generally, if we have to find the unique numbers among all given numbers then we just put a...read more

Java

Java Programs

java-set

How to Access Elements of Set of Maps in C++?

Last Updated: 02 February 2024

In C++, a set of maps can be used to store multiple maps of key-value pairs sorted according to their number and values of elements such as graphs. In this article, we wil...read more

How to Convert a PriorityQueue into an Array, List, and Set in Java?

Last Updated: 16 February 2024

In Java, PriorityQueue is an implementation of the Queue interface. It means high-priority elements can be saved first compared to lower-priority elements in the queue, an...read more

Java Collection Exercise

Last Updated: 12 March 2024

The Java Collection framework is a fundamental part of the Java programming language, It covers a major part of Java and acts as a prerequisite for many Advanced Java Topi...read more

Java-Collection-Programs