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import java.util.ArrayDeque; import java.util.Deque; public class JavaDequeaddFirstExample1 { public static void main(String[] args) { Deque<Integer> deque = new ArrayDeque<>(); deque.addFirst(44); deque.addFirst(33); deque.addFirst(22); deque.addFirst(11); System.out.println("The elements are adding at the front of the deque : "+deque); } }
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