Question

Which method of the character stream class returns the numbers of characters successfully read starting at index?

(a) int Read()

(b) int Read(char[] buffer, int index, int count)

(c) int ReadBlock(char[ ] buffer, int index, int count)

(d) none of the mentioned

This question was posed to me in semester exam.

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

Answer 1

The correct answer is (c) int ReadBlock(char[ ] buffer, int index, int count)

To explain: Attempts to read the count characters into buffer starting at buffer[index], returning the number of characters successfully read.