You own any object you create You create an object using a method whose name begins with “alloc”, “
YouownanyobjectyoucreateYoucreateanobjectusingamethodwhosenamebeginswith“alloc”,“new”,“copy”,or“mutableCopy”(forexample, alloc, newObject,or mutableCopy).一定要注意命名规范,不能以alloc,new,copy,mutableCopy作为开头命名,