The Java.util.ArrayDeque.contains() method in Java is used to check or verify whether a specific element is present in the Deque or not.
Parameters: The parameter element is of the type of ArrayDeque. This is the element that needs to be tested if it is present in the deque or not.
Return Value: The method returns True if the element is present in the deque otherwise it returns False.
Below programs illustrate the Java.util.ArrayDeque.contains() method:
ArrayDeque: [Welcome, To, Geeks, 4, Geeks] Does the deque contains 'Geeks'? true Does the deque contains '4'? true Does the deque contains 'No'? false
ArrayDeque: [10, 15, 30, 20, 5] Does the Deque contains '15'? true Does the Deque contains '2'? false Does the Deque contains '10'? true
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