The java.util.Set.isEmpty() method is used to check if a Set is empty or not. It returns True if the Set 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 set is empty else returns False.
Below program illustrate the java.util.Set.isEmpty() method:
Output:
Set: [4, Geeks, Welcome, To]
Is the set empty? false
Is the set empty? true
Reference:
https://docs.oracle.com/javase/7/docs/api/java/util/Set.html#isEmpty()
