Interface builder and memory management
<pre><code>@property (nonatomic, retain)IBOutlate UITextField *userName;
</code></pre>

<p>this property is to connect with TextField in IB.</p>

<ol>
<li><p>Can we write <code>[userName release]</code> in <code>dealloc</code> to free the memory or it will be handled by IB.</p></li>
<li><p>Can i write <code>@property(nonatomic, copy)IBOutlate UITextField *userName;</code></p></li>
</ol>
