What is Array
Array (what is) is a DSA topic. In plain words you use it for a short Array what is example in a short dry-run on paper. Don’t start with a slogan — start with that picture.
Smallest example: the smallest Array what is example you can type. Type it, run it, and say what you see. If you can do that from memory, you know Array (what is).
From the example next to this theory — What is Array — arrays give O(1) index access; matrices are arrays of arrays.
Trap — only saying “Array what is” with no example. Fix that before you talk about advanced DSA.
Viva — what is Array (what is)? Then show the smallest Array what is example you can type. Then name the trap.
index → 0 1 2 array → [10, 20, 30]
What is Array (what is)? Show this: the smallest Array what is example you can type. Trap: only saying “Array what is” with no example.