ArrayDeque contains() Method in Java
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
Attention reader! Don’t stop learning now. Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more, please refer Complete Interview Preparation Course.