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SortedSet size() method in Java with Examples

Last Updated : 12 Jul, 2025

The

method of

is used to get the size of the SortedSet or the number of elements present in the SortedSet.

int size()

This method does not takes any parameter.

The method returns the

or the number of elements present in the SortedSet.

: The size() method in

is inherited from the

in Java. 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
        SortedSet<String> set
            = new TreeSet<String>();

        // Use add() method to
        // add elements into the Set
        set.add("Welcome");
        set.add("To");
        set.add("Geeks");
        set.add("4");
        set.add("Geeks");

        // Displaying the Set
        System.out.println("Set: " + set);

        // Displaying the size of the Set
        System.out.println(
            "The size of the SortedSet is: "
            + set.size());
    }
}

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

:

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