Java Util Arraydeque Isempty Method PgpfVRGxW2I - Complete Information & Details

Web Reference: Dec 10, 2018 · The Java.util.ArrayDeque.isEmpty () method in Java is used to check and verify if an ArrayDeque is empty or not. It returns True if the Deque is empty else it returns False. It checks whether the ArrayDeque contains no elements. The method returns a boolean value: true if the deque has no elements, and false if it contains one or more elements. This method is important because it allows you to make decisions in your code based on the state of the ArrayDeque. The iterators returned by this class's iterator method are fail-fast: If the deque is modified at any time after the iterator is created, in any way except through the iterator's own remove method, the iterator will generally throw a ConcurrentModificationException.

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