SortedSet size() method in Java with Examples
The size() method of SortedSet interface is used to get the size of the SortedSet or the number of elements present in the SortedSet.
Syntax:
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        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());    }} |
Output:
Set: [4, Geeks, To, Welcome] The size of the SortedSet is: 4
Reference: https://docs.oracle.com/javase/7/docs/api/java/util/Set.html#size()
