title: Going from 127.0.0.1 to 2130706433, and back again
body: <p>Using the standard Java libraries, what is the quickest way to get from the dotted string representation of an IPV4-address (<code>"127.0.0.1"</code>) to the equivalent integer representation (<code>2130706433</code>).</p>
  
  <p>And correspondingly, what is the quickest way to invert said operation - going from the integer <code>2130706433</code> to the string representation<code>"127.0.0.1"</code>?</p>