In a queue implemented using an array, what happens when the array is full?

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Question: In a queue implemented using an array, what happens when the array is full?

Options:

Correct Answer: Overflow error

Solution:

When a queue implemented using an array is full, it results in an overflow error as no more elements can be added.

In a queue implemented using an array, what happens when the array is full?

In a queue implemented using an array, what happens when the array is full?

Step 1: Understand what a queue is. A queue is a data structure that follows the First In First Out (FIFO) principle, meaning the first element added is the first one to be removed.
Step 2: Know that a queue can be implemented using an array, which is a fixed-size collection of elements.
Step 3: Realize that when you create a queue using an array, you set a limit on how many elements it can hold.
Step 4: When you try to add an element to the queue and the array is already full (i.e., it has reached its limit), there is no space left for the new element.
Step 5: This situation is called an 'overflow' because you are trying to add more elements than the array can handle.
Step 6: As a result of this overflow, the program will typically show an error message indicating that the queue is full and no more elements can be added.

Queue Implementation – Understanding how queues are implemented using arrays and the limitations of this approach.
Overflow Error – Recognizing what an overflow error is and its implications in data structures.