The complete program of the ntains() method example is listed below. It takes an argument as the specified element which has to be searched into the queue. The ntains() returns true if this set contains the specified element. The complete program of queue.empty() method example is listed below. It returns true if the queue is empty otherwise false. The queue.empty() method is used to check whether the queue is empty or not. The complete program of queue.size() method example is listed below. The queue.size() method is used to get the number of elements in the Set. The complete program of queue.poll() method example is listed below. The queue.poll() method retrieves and removes the head of this queue or returns null if this queue is empty. The complete program of queue.add() method example is listed below. That happens when the Queue is at its max capacity and cannot take any more elements. Returns true if the element is added successfully or false if the element is not added. This method adds the specified element at the end of the Queue. The various Java math methods are as follows: 1) queue.add() method in Java The class contains various methods for performing basic numeric operations such as the logarithm, cube root, and trigonometric functions, etc. The above program generates the following output. The complete program of the queue interface example in Java is listed below. So, the customer who will come first to the shop will be the one who will get the service first, and so on. The elements in the queue are arranged sequentially, and that's why the queue is said to be a Linear data structure.įor example, a line of the customers in a shop.
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