java.lang.Class.getEnclosingClass()

package com.codingdict;



import java.lang.*;



public class ClassDemo {

   // constructor

   public ClassDemo() {



      // class Outer as inner class for class ClassDemo

      class Outer {



         public void show() {

            // inner class of Class Outer

            class Inner {



               public void show() {

                  System.out.print(getClass().getName() + " inner in...");

                  System.out.println(getClass().getEnclosingClass());    

               }

            }

            System.out.print(getClass().getName() + " inner in...");

            System.out.println(getClass().getEnclosingClass());



            // inner class show() function

            Inner i = new Inner();

            i.show();

         }

      }



      // outer class show() function

      Outer o = new Outer();

      o.show();

   }



   public static void main(String[] args) {

      ClassDemo cls = new ClassDemo();

   }

}