title: what does [[NSUserDefaults standardUserDefaults ] objectForKey] return?
body: <p>if i'm doing this</p>
  
  <pre><code>NSArray * myArray = [[NSArray alloc] init];
  myArray = [[NSUserdefaults standardUserDefaults] objectForKey:@"array"];
  [myArray release]; 
  </code></pre>
  
  <p>am i destroying value stored in <code>NSUserDefaults</code> for key <code>@"array"</code>? Is it still extractable or not already? Does <code>[[NSUserdefaults standardUserDefaults] objectForKey:@"array"];</code> <code>return</code> pointer or value?</p>