Dequeue in Java
// Java program to demonstrate the
// iteration of elements in deque
import java.util.*;
public class ArrayDequeDemo {
public static void main(String[] args)
{
// Initializing an deque
Deque<String> dq
= new ArrayDeque<String>();
// add() method to insert
dq.add("For");
dq.addFirst("Geeks");
dq.addLast("Geeks");
dq.add("is so good");
for (Iterator itr = dq.iterator();
itr.hasNext();) {
System.out.print(itr.next() + " ");
}
System.out.println();
for (Iterator itr = dq.descendingIterator();
itr.hasNext();) {
System.out.print(itr.next() + " ");
}
}
}
hritick bhushan