Question: What function do namespaces perform?

1. Namespaces calculate code coverage at runtime.
2. Namespaces compile application code together at compile time.
3. Namespaces group code together into a single repository.
4. Namespaces separate code into groupings, control access, and void naming collisions.

Answer: The correct answer of the above question is Option D:Namespaces separate code into groupings, control access, and void naming collisions.