Question

Choose the filemode method which is used to create a new output file with the condition that the file with same name if exists will destroy the old file:

(a) FileMode.CreateNew

(b) FileMode.Create

(c) FileMode.OpenOrCreate

(d) FileMode.Truncate

This question was addressed to me at a job interview.

This is a very interesting question from Byte Stream topic in division Console I/O Operations and Stream Classes of C#

Answer 1

The correct choice is (b) FileMode.Create

The explanation: Creates a new output file. Any pre-existing file with the same name will be destroyed.