The Java.util.TreeSet.contains() method is used to check if a specific element is present in the TreeSet or not. So basically it is used to check if a TreeSet contains any particular element.
Parameters: The parameter element is of the type of TreeSet. This is the element that needs to be checked if it is present in the TreeSet or not.
Return Value: The method returns true if the element is present in the set else it return False.
Below program illustrate the Java.util.TreeSet.conatins() method:
TreeSet: [4, Geeks, To, TreeSet, Welcome] Does the Set contains 'TreeSet'? true Does the Set contains '4'? true Does the Set contains 'No'? false
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