10 Questions
What is the primary characteristic of a queue data structure?
Elements are added at one end and deleted from the other end.
What would happen if an element is added to a full queue?
A queue overflow exception will be generated.
What is the purpose of the 'rear' pointer in a queue?
It points to the last element of the queue.
What is a solution to the problem of 'rear' pointing to the last array position after a number of insertion and deletion operations?
Use a circular array.
What is an example of a real-life scenario where a queue is used?
A printer job queue.
What is the condition for the queue to be full?
size == queue.length
What is the purpose of the next_index formula in the CircularQueue implementation?
To handle the circular nature of the queue
What happens when the enqueue operation is called on a full queue?
An error message is printed and the operation is terminated
What is the purpose of the front and rear indices in the CircularQueue implementation?
To keep track of the current indices of the queue
What does the dequeue operation return when the queue is empty?
-1
Understand the concept of queues in data structures, its characteristics, and examples. Learn how elements are added and deleted from the queue and its FIFO behavior.
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