how I can get the last 3 characters in the string link?
<p>how I can get the last  3 characters in the string link ?</p>

<p>I have the link such as :</p>

<p><code>"http://www.google.com"</code></p>

<p>How I can get the <strong>"com"</strong> only ?
and put these characters in variable "String data type" ?</p>

<p>note : I'm new in java ,I'm develop the android app and must be get this code , please :\</p>
