XiaoKL

2015年7月10日

ObjC.class-cluster

摘要： class clusterIn a class cluster, only an abstract superclass is public. Allocating an instance actually createsan object of a private subclass. As suc... 阅读全文

posted @ 2015-07-10 11:44 XiaoKL 阅读(220) 评论(0) 推荐(0)

ObjC.primitive-methods

摘要： Primitive Method"When it comes to subclassing, knowing which methods are ‘primitive’ methods is important.The notion of primitive methods are those me... 阅读全文

posted @ 2015-07-10 10:48 XiaoKL 阅读(235) 评论(0) 推荐(0)

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