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ConcurrentSkipListSet isEmpty() method in Java

Last Updated : 17 Sep, 2018
The java.util.concurrent.ConcurrentSkipListSet.isEmpty() method is an in-built function in Java which is used to check if this set is empty or not. Syntax: 
ConcurrentSkipListSet.isEmpty()
Parameters: The function does not accepts any parameter. Return Value: The function returns a boolean value. It returns true if the ConcurrentSkipListSet is empty and returns false otherwise. Below programs illustrate the ConcurrentSkipListSet.IsEmpty() method: Program 1: In this program the ConcurrentSkipListSet is non-empty.
Output: 
The set is non-empty.
Program 2: In this program the ConcurrentSkipListSet is empty.
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