Differences between C ++ and Java nested class syntax

Android development uses C, C ++, and Java languages. Sometimes it will be a bit difficult due to syntax issues. We will record these tangled problems in the future.

Internal class access to external class member variables --

Internal and Nested classesDefine a class in a class.C ++ internal class and Java internal classThe biggest difference is:

C ++ internal Class Object No Pointer to an external class object, No Non-static members accessing external class objects; non-static internal class objects in Java Yes Pointer to an external class object, Yes Access non-static members of external class objects