
ios 字典初始化最后需要加nil么
1个回答
展开全部
字典的初始化方法有很多种
如:
NSDictionary *dic = [NSDictiopnary dictonary];
NSDictionary *dic = @{};
NSDitionary *dic = [NSDictionary dictionaryWithObjects:(id),nil];
如:
NSDictionary *dic = [NSDictiopnary dictonary];
NSDictionary *dic = @{};
NSDitionary *dic = [NSDictionary dictionaryWithObjects:(id),nil];
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