title: how to declare function with multiple parameters in iOS
body: <p>Can anyone explain the following code?</p>
  
  <pre><code>- (id)initWithTitle:(NSString*)title ratings:(float)rating;
  
  (NSString*)title = first parameter , type =string, name = title
  </code></pre>
  
  <p><strong><code>rating:(float)rating = ? ? ?</code></strong> What is the meaning of this ?</p>
  
  <p>Float is a type and what is rating in start if the second rating is the name of parameter.</p>