NSMutableArrayの生成と要素の追加

// 空のNSMutableArrayの生成
NSMutableArray *array = [NSMutableArray array];
// NSMutableArrayに要素を追加
[array addObject:@"January"];
[array addObject:@"February"];
[array addObject:@"March"];
[array addObject:@"April"];
[array addObject:@"May"];
[array addObject:@"June"];
[array addObject:@"July"];
[array addObject:@"August"];
[array addObject:@"September"];
[array addObject:@"October"];
[array addObject:@"November"];
[array addObject:@"December"];
NSLog(@"%@", array);