Anonymous internal class, anonymous

Anonymous internal class, anonymous

1. Anonymous internal class definition:

1. The anonymous internal class is one of the internal classes. Internal classes include:Member internal class, method internal class, anonymous internal class, static nested internal class.

2. Internal classes are still called class files after being compiled by the Java Virtual Machine.For example, there is A class A, A class B, where class B is the internal class of class A. After compilation, there are two class files: A. class and A $ B. class.

3,The internal class can access the member attributes of the external class. No matter whether the private modifier is used for this member attribute, after the internal class declaration is static, internal classes can only access static member attributes of external classes.

Ii. Anonymous internal class classification:

1,Inherited internal class:

 

 

2,Interface internal class:

 

3,Parameter-Based Anonymous internal class:

 

 

A simple example. The code is for reference only !!! Understand.

 

 

Thank you !!