Copy a queue. Create a new constructor so that Queue r = new Queue(q);makes r a reference...

Copy a queue. Create a new constructor so that 

Queue r = new Queue(q);

makes r a reference to a new and independent copy of the queue q. You should be able to enqueue and dequeue from either q or r without influencing the other. Hint : Delete all of the elements from q and add these elements to both q and r.