No enclosing instance of type xx is accessible. Must qualify the allocation with an ..

No enclosing instance of type xx is accessible. Must qualify the allocation with an enclosing instance of type xx (e.g. x.new A() where x is an instance of xx ).

这种情况一般是在调用内部类(未被静态修饰)时出现，两种解决方法：

1、直接Inner in = new Outer().new Inner();

2、加static修饰 ，Inner in = new Inner();

 

例子：https://stackoverflow.com/questions/7841210/having-a-issue-using-inner-class-java

--> java编程思想： P193