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当创建Objective-C中一个新的NSDictionary对象,您可以执行:[NSMutableDictionary dictionary]和[NSMutableDictionary new]有什么区别?
NSMutableDictionary *dict= [NSMutableDictionary dictionary];
// or
NSMutableDictionary *dict= [NSMutableDictionary new];
我想知道是什么这两个之间的区别?