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BJP4 Self-Check 14.13: stackQueueUsage1

Language/Type: Java Collections mystery Stacks and Queues
Author: Marty Stepp (on 2016/09/08)

What is the output of the following code? Recall that stacks and queues print in an [a, b, c] format from bottom/front to top/back.

Stack<String> s = new Stack<String>();
Queue<String> q = new LinkedList<String>();
s.push("how");
s.push("are");
s.push("you");
while (!s.isEmpty()) {
    q.add(s.pop());
}
System.out.println(q);
output

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