Open In App
Related Articles

Set size() method in Java with Example

Improve Article
Save Article
Like Article

The java.util.Set.size() method is used to get the size of the Set or the number of elements present in the Set.


int size()

Parameters: This method does not takes any parameter.

Return Value: The method returns the size or the number of elements present in the Set.

Below program illustrate the java.util.Set.size() method:

// Java code to illustrate Set.size() method
import java.util.*;
public class SetDemo {
    public static void main(String args[])
        // Creating an empty Set
        Set<String> set = new HashSet<String>();
        // Use add() method to add elements into the Set
        // Displaying the Set
        System.out.println("Set: " + set);
        // Displaying the size of the Set
        System.out.println("The size of the set is: " + set.size());


Set: [4, Geeks, Welcome, To]
The size of the set is: 4


Whether you're preparing for your first job interview or aiming to upskill in this ever-evolving tech landscape, GeeksforGeeks Courses are your key to success. We provide top-quality content at affordable prices, all geared towards accelerating your growth in a time-bound manner. Join the millions we've already empowered, and we're here to do the same for you. Don't miss out - check it out now!

Last Updated : 31 Dec, 2018
Like Article
Save Article
Similar Reads
Complete Tutorials