Functions and Subroutines problems
- 1. Which of the following statements are correct?
- An argument passed to a ref parameter need not be initialized first.
- Variables passed as out arguments need to be initialized prior to being passed.
- Argument that uses params keyword must be the last argument of variable argument list of a method.
- Pass by reference eliminates the overhead of copying large data items.
- To use a ref parameter only the calling method must explicitly use the ref keyword.
Options- A. 1, 2
- B. 2, 3
- C. 3, 4
- D. 4, 5
- E. None of these Discuss
Correct Answer: 3, 4
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