NSMutableArray数组初始化, NSInteger转换NSNumber, 把NSNumber添加至NSMutableArray.
NSMutableArray *array = [[NSMutableArray alloc] init];
NSInteger num = 7;
NSNumber *number = [NSNumber numberWithInt:num];
[ar addObject:number];
NSLog(@"Array %@",array);版权声明：本文为博主原创文章，未经博主允许不得转载。
Objective-C - NSMutableArray添加NSInteger元素
原文：http://blog.csdn.net/caroline_wendy/article/details/46858415
