Sorry my friend. It's Yes.
Answer is 'YES' and it happens like this because 'a' is in float but 0.7 is by default double so the binary representation of both vary and causes this result to occur.
To get correct result you need to use a < 0.7f : )

For more deeper understanding refer: https://stackoverflow.com/questions/6883306/floating-point-comparison-a-0-7

And remember to upvote and follow please.