The
java.util.SortedSet.isEmpty() method is used to check if a SortedSet is empty or not. It returns True if the SortedSet is empty otherwise it returns False.
Syntax:
boolean isEmpty()
Parameters: This method does not take any parameter.
Return Value: The method returns True if the SortedSet is empty else returns False.
Note: The isEmpty() method in
SortedSet is inherited from the
Set interface in Java.
Below program illustrate the java.util.SortedSet.isEmpty() method:
Output:
Set: [4, Geeks, To, Welcome]
Is the set empty? false
Is the set empty? true
Reference:
https://docs.oracle.com/javase/7/docs/api/java/util/Set.html#isEmpty()
