The emptySortedSet() method of Java Collections is used to get the set that has no elements. This method is used in set collection. A set is a data structure that stores unique elements in a sorted manner.
Syntax:
public static final <T> Set<T> emptySortedSet()
Parameters: This will take no parameters.
Return Type: It will return an empty set that is immutable.
Example 1:
Java program to create an empty sorted set
Java
import java.util.*;  public class GFG {    // main method    public static void main(String[] args)    {        // create an empty sorted set        Set<String> data            = Collections.<String>emptySortedSet();                // display        System.out.println(data);    }} |
Output
[]
Example 2:
In this program, we are going to create an empty sorted set and add elements to the set. This code will return an error.
Java
import java.util.*;  public class GFG {    // main method    public static void main(String[] args)    {        // create an empty sorted set        Set<String> data            = Collections.<String>emptySortedSet();                // add 3 elements        data.add("ojaswi");        data.add("ramya");        data.add("deepu");          // display        System.out.println(data);    }} |
Output:
Exception in thread "main" java.lang.UnsupportedOperationException
at java.util.Collections$UnmodifiableCollection.add(Collections.java:1057)
at GFG.main(GFG.java:9)
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