KwickClips Java · 43 sec · free
Which gives faster access to item k?
Short answer. An array, directly by its index.
Which makes insertion and deletion easier?
A linked list, because only links change.
Compare
| Point | Array | Linked list |
|---|---|---|
| Size | fixed | grows |
| Access | direct | walk |
| Insert | shift | relink |
Remember
| Array: fast access |
| List: easy insert, delete |
Which one should you pick? It depends. Compare three points. An array has a fixed size, a list grows. Arrays give direct access. Lists insert by changing links. Remember. Arrays give fast access. Lists make insert and delete easy.
This clip is from the full lesson: Linked Lists — 6 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: ISC Class 12 Computer Science (868), Programming All levels Java
More KwickClips from this lesson
What does a node hold?43 sec
Why did my whole list vanish?41 sec
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