iOS Swift - Networking
You need to send a POST request with nested JSON data in Swift. Which approach correctly creates the JSON body for this dictionary?
let data = ["user": ["name": "Alice", "age": 30]]
You need to send a POST request with nested JSON data in Swift. Which approach correctly creates the JSON body for this dictionary? let data = ["user": ["name": "Alice", "age": 30]]
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Understand JSONSerialization with nested dictionaries
It supports nested dictionaries and converts them correctly to JSON Data.Step 2: Use data(withJSONObject:) directly
Passing the nested dictionary directly is correct and efficient.Final Answer:
Use JSONSerialization.data(withJSONObject: data) to convert nested dictionary to Data -> Option CQuick Check:
Nested JSON encoding = C [OK]
Quick Trick: JSONSerialization handles nested dictionaries automatically [OK]
Common Mistakes:
- Manually converting nested dictionaries
- Flattening unnecessarily
- Encoding only outer keys
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