如何对 NSMutableArray [Objective C] 的整数值进行排序?

How to sort integer values of NSMutableArray [Objective C]?

我想对 NSMutableArray 的整数值进行排序。我不知道该怎么做。

请帮忙

NSMutableArray *array = /* loaded from file */;

array = [NSMutableArray arrayWithArray:[array sortedArrayUsingSelector: @selector(compare:)]];
[array sortedArrayUsingSelector: @selector(compare:)];