初识java内部类提起Java内部类（Inner Class）可能很多人不太熟悉，实际上类似的概念在C++里也有，那就是嵌套类（Nested Class），关于这两者的区别与联系，在下文中会有对比。-java class category instituted internal Java (Inner Class), many people may not too familiar, in fact similar to the concept, which has C, which is nested class (Nested Class), on the difference between the two and ties in contrast to be below.