Another special type of list is the queue data structure. The queue data structure is very similar to the regular queue you are accustomed to in real life. If you have stood in line at an airport or to be served your favorite burger at your neighborhood shop, then you should know how things work in a queue.
Queues are very fundamental and an important concept to grasp since many other data structures are built on them.
A queue works as follows. The first person to join the queue usually gets served first, and everyone will be served in the order of how they joined the queue. The acronym FIFO best explains the concept of a queue. FIFO stands for first in, first out. When people are standing in a queue waiting for their turn to be served, service is only rendered at the front of the queue. The only time people exit the queue is when they have been served, which only occurs...