| S. No. |
Array |
Linked List |
| 1. |
Insertions and deletions are difficult. |
Insertions and deletions can be done easily. |
| 2. |
It needs movements of elements for insertion and deletion. |
It does not need movement of nodes for insertion and deletion. |
| 3. |
In it space is wasted. |
In it space is not wasted. |
| 4. |
It is more expensive. |
It is less expensive. |
| 5. |
It requires less space as only information is stored. |
It requires more space as pointers are also stored along with information. |
| 6. |
Its size is fixed. |
Its size is not fixed. |
| 7. |
It can not be extended or reduced according to requirements. |
It can be extended or reduced according to requirements. |
| 8. |
Same amount of time is required to access each element. |
Different amount of time is required to access each element. |
| 9. |
Elements are stored in consecutive memory locations. |
Elements may or may not be stored in consecutive memory locations. |
| 10. |
If have to go to a particular element then we can reach there directly. |
If we have to go to a particular node then we have to go through all those nodes that come before that node. |