如果您删除第一个元素( 类似于 Java 的阵列工作方式), NSAray 是否将其元素向下移( 类似于 java 的阵列)?
有记录在NSMubableArray removeObjectAtIndex: 。
Discussion
To fill the gap, all elements beyond index are moved by subtracting 1 from their index.
< sub\\\ remember 您只能从可变数组中删除对象 。
这是很容易尝试的, 但是是的。 请注意, 您无法从 NSANS 中移除物体, 只能从 NSM 中移除 。
NASARRAY 包含静态物体, 您可以在 NSM MutableAray 中执行此操作 。 是的, 它确实如此 。
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