for (;;) {
   //do stuff
}

Depends on your definition of "easiest".

Aki "Sus" Laukkanen wrote:

I'd prefer ...

while (!false) {
   // do stuff...
}

Certainly an "infinite" loop never has an "end," since the number of
its iterations approaches infinity--until some outside force interrupts
it, in which case it's finite.  Which makes the existence of an
infinite loop problematic, I'll go so far as to say there's never been
an infinite loop...

There's always that first iteration, though, so they do have a
"beginning."

--
Thufir Hawat

No programming involved.
<http://mathforum.org/sum95/math_and/moebius/moebius.html>

In mathematics, the open problems are infinitely more interesting. :-D

I remember a thread on Collatz from just over a year ago.
<http://forum.java.sun.com/thread.jspa?forumID=426&threadID=471043