Rest API - Pagination Patterns
You want to implement page-based pagination for an API returning 23 items with a limit of 7 per page. How many pages will the client need to request to get all items?
You want to implement page-based pagination for an API returning 23 items with a limit of 7 per page. How many pages will the client need to request to get all items?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Calculate full pages
Each page holds 7 items, so 3 full pages hold 21 items (3 * 7 = 21).Step 2: Calculate remaining items
23 total items - 21 = 2 items remain, needing one more page.Step 3: Total pages needed
3 full pages + 1 partial page = 4 pages total.Final Answer:
4 -> Option BQuick Check:
23 items / 7 per page = 4 pages [OK]
Quick Trick: Divide total items by limit, round up for pages [OK]
Common Mistakes:
- Ignoring leftover items needing extra page
- Rounding down instead of up
- Assuming pages equal limit count
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