Geekific

What will be the output of the following code?
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public static void main(String[] args) {
Deque<Integer> deque = new LinkedList<>();
deque.push(1);
deque.push(2);
deque.push(3);
System.out.print(deque.pop() + " ");
System.out.print(deque.pop() + " ");
System.out.print(deque.pop());
}

4 days ago | [YT] | 10