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PriorityQueue contains() Method in Java

Last Updated : 10 Dec, 2018
The Java.util.PriorityQueue.contains() method is used to check whether a specific element is present in the PriorityQueue or not. So basically it is used to check if a Queue contains any particular element or not. Syntax: 
Priority_Queue.contains(Object element)
Parameters: The parameter element is of the type of PriorityQueue. This is the element that needs to be tested if it is present in the queue or not. Return Value: The method returns True if the element is present in the queue otherwise it returns False. Below programs illustrate the Java.util.PriorityQueue.contains() method: Program 1:
Output: 
PriorityQueue: [4, Geeks, To, Welcome, Geeks]
Does the Queue contains 'Geeks'? true
Does the Queue contains '4'? true
Does the Queue contains 'No'? false
Program 2:
Output: 
PriorityQueue: [5, 10, 30, 20, 15]
Does the Queue contains '15'? true
Does the Queue contains '2'? false
Does the Queue contains '10'? true
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