How randomly to choose buttons
<p>I have a UI, like this</p>

<p><img src="http://i.stack.imgur.com/5i6LC.png" alt="UI"></p>

<p>What I want is to choose randomly 3 of them and change their texts. Thank you.</p>

<p>UPD1:
What ive tried:</p>

<pre><code>ArrayList&lt;Button&gt; _btnList = new ArrayList&lt;Button&gt;();
    for (int i = 1; i &lt;= 16; ++i) {
        _btnList.add(btn1);
    }
</code></pre>

<p>here I stucked, how to add all that buttons inside.</p>

<p>upd2: done, really not to answer and put minuses make the mind to work</p>
