Using == or Equals for string comparison

Question

In some languages (e.g. C++) you can\'t use operators like == for string comparisons as that would compare the address of the string object, and not the string itself. Howev

Answer 1

I wouldn't use:

aa.Equals(bb)

unless I knew aa couldn't possibly be null. I might use:

string.Equals(aa,bb)

But I'd mainly use that it I wanted to use one of the specific StringComparison modes (invariant, ordinal, case-insensitive, etc). Although I might also use the StringComparer implementations, since they are a bit easier to abstract (for example, to pass into a Dictionary for a case-insensitive ordinal dictionary). For general purpose usage,

a == b

is fine.