在NSMutableArray的特定索引处添加对象 [英] Adding an object at a specific index of an NSMutableArray

问题描述

如何在NSMutableArray的特定索引处添加对象?

How can an object be added at a specific index of an NSMutableArray?

如何将对象添加到数组的前面?

How is an object added to the front of the array?

推荐答案

[myMutableArray insertObject:myObject atIndex:42];

要将对象添加到数组的前面，请使用0作为索引:

To add an object to the front of the array, use 0 as the index:

[myMutableArray insertObject:myObject atIndex:0];

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