For circular queue in java, dry run and show output:

CircularQueue q = new CircularQueue(7); //size is 7

for(int i = 1; i

q.enqueue(i);

}

for(int i = 1; i

q.dequeue();

int x = q.dequeue();

q.enqueue(x);

}

please explain the answer with dry run test.

4 2 1 0