title: how do we compare 2 class names of an object
body: <p>Is there a way to get compare class name betweeen 2 objects?</p>
  
  <p>Like:</p>
  
  <pre><code>NSString *bla = [[NSString alloc] init];
  if([bla class] isEqual: NSString])
   NSLog(@"success");
  </code></pre>
  
  <p>unsure if my syntax is correct.</p>