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修改 Demo_13 #80

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Merged
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May 31, 2017
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修改 Demo_13 #80

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修改 Demo_13 
原先的例子中，NSArray 无论声明为 strong 还是 copy，输出都是一样的，不能证明 copy 起到的复制作用。
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yuchenzhan committed Mar 30, 2017
commit f759434b373187d870cf1dbfed80d69cb4ab3365
2 changes: 1 addition & 1 deletion ...opy关键字_为什么_如果改用strong关键字_可能造成什么问题/CYLMutableArrayCopyDmo/CYLArrayCopyDmo/ViewController.m
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Expand Up @@ -16,8 +16,8 @@ @implementation ViewController

- (void)viewDidLoad {
[super viewDidLoad];
NSMutableArray *mutableArray = [[NSMutableArray alloc] init];
NSArray *array = @[ @1, @2, @3, @4 ];
NSMutableArray *mutableArray = [NSMutableArray arrayWithArray:array];

self.array = mutableArray;
[mutableArray removeAllObjects];;
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3 changes: 2 additions & 1 deletion 01《招聘一个靠谱的iOS》面试题参考答案/《招聘一个靠谱的iOS》面试题参考答案（上）.md
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Expand Up @@ -1226,8 +1226,9 @@ void objc_setProperty(id self, SEL _cmd, ptrdiff_t offset, id newValue, BOOL ato
然后进行下面的操作：

```Objective-C
NSMutableArray *mutableArray = [[NSMutableArray alloc] init];
NSArray *array = @[ @1, @2, @3, @4 ];
NSMutableArray *mutableArray = [NSMutableArray arrayWithArray:array];

self.array = mutableArray;
[mutableArray removeAllObjects];;
NSLog(@"%@",self.array);
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