The Java.util.ArrayDeque.size() method in Java is used to get the size of the Deque or the number of elements present in the Deque.
Parameters: The method does not take any parameter.
Return Value: The method returns the size or the number of elements present in the Deque.
Below programs illustrate the Java.util.ArrayDeque.size() method:
Program 1: Adding String elements into the Deque.
ArrayDeque: [Welcome, To, Geeks, 4, Geeks] The size is: 5
Program 2: Adding Integer elements into the Deque.
ArrayDeque: [10, 15, 30] The size is: 3
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