关于内部/本地/匿名类，Java和C＃之间的根本区别是什么？ [英] What are the fundamental differences between Java and C# in terms of inner/local/anonymous classes?

问题描述

Java和C＃在内部/本地/匿名类方面的根本区别是什么？

What are the fundamental differences between Java and C# in terms of inner/local/anonymous classes?

推荐答案

C＃没有Java内部类的等价物 - 它只有嵌套类型（如Java的静态嵌套类）。

C# doesn't have the equivalent of Java inner classes - it only has nested types (like Java's "static" nested classes).

访问规则略有不同 - 在Java中，外部类可以访问其嵌套类的私有成员，反之亦然。在C＃中，嵌套类可以访问外部类的私有成员，但不是。

The access rules are slightly different - in Java, an outer class has access to its nested class's private members, and vice versa. In C# the nested class has access to the outer class's private members, but not the other way round.

C＃没有匿名内部类像Java，但它有具有匿名方法和lambda表达式，这是一个更清洁的方式实现通常使用的匿名内部类。两个机制的变量捕获不同 - 有关详情，请参见我的关闭文章 。

C# doesn't have anonymous inner classes like Java, but it does have anonymous methods and lambda expressions, which are a much cleaner way of achieving most of what anonymous inner classes are usually used for. The variable capture for the two mechanisms is different - see my article on closures for more details.

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