title: How to add a string into an NSArray at particulap index?
body: <pre><code>NSInteger timeNum = time; 
  NSMutableArray theResultArray = [[NSMutableArray alloc] init];
  [theResultArray insertObject:[NSNumber numberWithInt:timeNum] atIndex:rightIndex]; 
  </code></pre>
  
  <p>This is the way we do to insert NSInteger to array. How to i do it for NSString?</p>