Computer Science – 12.3 Program Testing and Maintenance | e-Consult
12.3 Program Testing and Maintenance (1 questions)
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Here's a comparison of linked lists and arrays for storing student data:
Feature | Array | Linked List |
Memory Allocation | Contiguous memory block. Size must be pre-defined. | Non-contiguous memory. Memory allocated dynamically as needed. |
Insertion/Deletion | Can be slow. Requires shifting elements. | Generally faster. Only requires updating pointers. |
Memory Usage | Can be less efficient if the array is larger than the number of students. Wasted space. | More efficient. Memory is allocated only as needed. |
Accessing Elements | Direct access using index (O(1)). | Sequential access. Requires traversing the list (O(n)). |
Advantages of Linked List:
- Dynamic size: Can grow or shrink as needed.
- Efficient insertion/deletion, especially in the middle of the list.
Disadvantages of Linked List:
- Sequential access is slower than arrays.
- Requires more memory due to the overhead of storing pointers.