Question

Where is the key for the first locker kept, in a linked list?

a) In the first node
b) In the last node
c) In the middle node
d) In a separate file

Answer 1

The key for the first locker in a linked list is located in the first node, which is also known as the head of the list.

Step-by-step explanation:

The key for the first locker in a linked list is kept in the first node. In a linked list, each node contains data and a pointer to the next node in the sequence. The analogy of a 'locker key' is symbolic; in practice, this means that the data you're looking for (the 'key') is stored in the data field of the first node if the linked list represents a sequence of 'lockers' (nodes). The first node is sometimes referred to as the head of the list. It is the entry point to the list and from it, you can access the consecutive elements (or 'lockers') by traversing the list.