Computer scienceProgramming languagesJavaWorking with dataCollectionsCollections framework

Queue

Theory

The order of removing from a queue

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Select the order of removing elements from the queue q according to the following code.

Queue<Integer> q = new ArrayDeque<>();

q.offer(10);
q.offer(20);
q.offer(5);
q.offer(6);

while (!q.isEmpty()) {
    q.poll();
}
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