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iOS面试大全(自己结合网络要求技能整理和回答网络面试题，回答有错误请指正，我是菜鸟勿喷)

License: MIT License

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ios-interview's Issues

Objective-C面试题错误

image 使用copy关键字，不一定是深拷贝。 如果对象是不可变的，copy会进行浅拷贝，mutableCopy会进行深拷贝。 如果对象是可变的，那么无论是copy还是mutableCopy都会进行深拷贝。

关于 iOS-Interview/Objective-C面试题.md

一个 NSObject 对象占用多少内存？
查看答案
系统分配18个字节，但是真正占用只有8个字节。

这个地方笔误了吧...
应该是16 个字节
8个字节isa用了
8个字节是空的

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