The
contains() method of
java.util.concurrent.ConcurrentSkipListSet is an in-built function in Java which returns a true boolean value if the specified element is present in this set otherwise it returns false.
Syntax:
ConcurrentSkipListSet.contains(Object o)
Parameters: The function accepts a single parameter
o i.e. to be checked for the presence in this set.
Return Value: The function returns a Boolean value. It returns True if the specified element is present in this set else it returns False.
Below programs illustrate the ConcurrentSkipListSet.contains() method:
Program 1:
Output:
9 is not present in the set.
Program 2: