What is a linked list?

What is a linked list? 

Let's imagine you have a bunch of beads, and you want to put them together in a special way. Instead of making a necklace where each bead is directly connected to the next one, we're going to use strings to connect them.

A linked list is like that string of beads. It's a way to connect different pieces of information together. Each piece of information is called a node, and it has two parts: the actual information or data, and a special link or pointer to the next node in the list.

So, let's say we have three nodes: Node A, Node B, and Node C. Node A has some information and a link pointing to Node B. Node B has its own information and a link pointing to Node C. And finally, Node C has its information, but it doesn't have a link since it's the last node in the list.

The cool thing about linked lists is that we can easily add or remove nodes from the list. If we want to add a new node between Node A and Node B, we can just update the link in Node A to point to the new node, and set the link of the new node to point to Node B. It's like inserting a new bead in the string between two existing beads.

Linked lists are helpful because they allow us to manage and organize information flexibly. We can easily add new nodes, remove nodes, or change their order. It's like having a dynamic way to store and connect information.

For example, imagine you have a list of friends. You can use a linked list to add new friends to the list or remove friends if they move away. The links help you keep track of the order and easily make changes.

So, a linked list is like a string of beads, where each bead represents a piece of information, and they are connected by special links. It's a flexible way to organize and manage information.