title: How to get the value for each key in dictionary in Objective-C?
body: <p>I'm maintaining a <code>NSMutableDictionary</code> which holds key and value pair.Now i need to perform some operation for each value in it.How to retrive value from dictionary.</p>
  
  <pre><code>// this is NSMutableDIctionary 
  NSMutableDictionary *dictobj = [[NSMutableDictionary alloc]init];
   // in methodA
  
  -(void)methodA
  {
     //get the value for each key and peform an operation on it.
  }
  </code></pre>
  
  <p>How to proceed? plz help</p>