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For java Review # 7: Queues 1) Create a queue manually and automatically 2) ENQUEUE (add a new node to the TAIL of the queue)

For java

Review # 7: Queues

1) Create a queue manually and automatically

2) ENQUEUE (add a new node to the TAIL of the queue)

3) DEQUEUE (remove the 1st node/head from the the queue)

4) PEEK

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