How can “while (i == i) ;” be a non-infinite loop in a single threaded application?

Question

I just got a question that I can\'t answer.

Suppose you have this loop definition in Java:

while (i == i) ;

What is the type of

Answer 1

The value of i is then Invalid. "Not a Number".

After some googling, i found out that you CAN have NaN ( Not a Number ) in Java! So, a Float Pointing number is the Data Type and the Value is NaN. See here