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effective_java_2nd_endition文摘

CHAPTER 2  Creating and Destroying Objects

Item1: Consider static factory methods instread of constructors

1.static factory methods hava names

2.they are not required to create a new object each time they're invoked

3.they can return an object of any subtype of their return type

posted on   斗哥哥  阅读(154)  评论(0编辑  收藏  举报

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