名为Hello的类中的内部类InnerHello：

public class Hello { 


        class InnerHello { 

            InnerHello () { 
            /*
            N o w J a v a . c o m - 时  代  Java 提 供
            */

                System .out.println ( 

                    "The method call is coming from inside the class!" 

                ); 

            } 

        } 


        public Hello () { 

            // empty constructor 

        } 


        public static void main (String [] arguments) { 

            Hello program = new Hello (); 
            /** from 
            nowjava.com - 时代Java**/

            Hello.InnerHello inner = program .new InnerHello (); 

        } 

    }