Java静态类

public class Outer {

   // Java Arrays with Answers

   static class Nested_Demo {

      public void my_method() {

         System.out.println("This is my nested class");

      }

   }

   public static void main(String args[]) {

      Outer.Nested_Demo nested = new Outer.Nested_Demo();

      nested.my_method();

   }

}