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SortedSet size() method in Java with Examples

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  • Last Updated : 30 Sep, 2019
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The size() method of SortedSet interface is used to get the size of the SortedSet or the number of elements present in the SortedSet.


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 SortedSet.

Note: The size() method in SortedSet is inherited from the Set interface 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
        // Displaying the Set
        System.out.println("Set: " + set);
        // Displaying the size of the Set
            "The size of the SortedSet is: "
            + set.size());


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


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