some java achieve internal category example, the internal category in java is not understandable, need to work hard to learn well, I hope that it provides help

Packet : 105230318innerclass.rar filelist
InnerClass内部类\InnerClassDemo.java
InnerClass内部类\InnerClassDemo2.java
InnerClass内部类\TestInner.java
InnerClass内部类\InterTest.java
InnerClass内部类

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