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最新文章列表
Item 22: Favor static member classes over nonstatic
1. A nested class should exist only to serve its enclosing class. If a nested class would be useful in some other context, then it should be a top-level class.
2. There are four kinds of nested ...
JLS --(Java 类的分类)
Java中的类(class)定义了新的引用类型,以及他们的实现。Java中的类大体上可以分为顶层类(top level class)和嵌套类(nested class)。所谓嵌套类,指在另一个类或接口体内声明的任何类,而顶层类,指所有的非嵌套类。
嵌套类包括以下三种类:
1)成员类(member classes);
2)本地类(local classe ...