ios - Copy NSMutableArray to NSArray in iPhone -

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I am copying the contents of NSMutableArray to NSArray in the table section number of rows in the section 

  - (NSInteger) table view: (UITableView *) table view numberofrose injection: (NSInteger) section {if ([appDelegate.selectedCalenDAteEqualToString: @ "TODAY"]) ​​{back to appDelegate.calenderSowArray.count; } And if ([appDelegate.selectedCalenDAteEqualToString: @ "this week"]) {// NSArray * newArr = [NSArray arrayWithArray: testArray]; NSArray * newArr = [NSArray arrayWithArray: [testArray objectAtIndex: section]]; New ARR return; }   
 Using the above method, it does not show any object in the new array while testArray has two objects.   
 
 
 change  
  NSArray * newArr = [NSArray arrayWithArray: [testArray objectAtIndex: section]]; With   
  
  NSArray * newArr = [testArray copy];

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