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當創建Objective-C中一個新的NSDictionary對象,您可以執行:[NSMutableDictionary dictionary]和[NSMutableDictionary new]有什麼區別?
NSMutableDictionary *dict= [NSMutableDictionary dictionary];
// or
NSMutableDictionary *dict= [NSMutableDictionary new];
我想知道是什麼這兩個之間的區別?