Question: 1. In general, how useful is the Queue data structure? Can you think of other data structure? 2. If we didnt have the Queue data

1. In general, how useful is the Queue data structure? Can you think of other data structure?

2. If we didnt have the Queue data structure, can you think of another way to implement the FIFO (first in first out) concept?

Can the Queue ADT accept/handle null entries? Why or why not?

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