package InnerClass; import InnerClass.DotThis.InnerClass3; public class DotThisTest { public static void main(String[] args) { DotThis dotThis=new DotThis(); DotThis.Inner2 inner2=dotThis.new Inner2(); inner2.b++; //静态内部类 DotThis.InnerClass3 innerClass3=new InnerClass3(); } }