class Aclass{

void go( ){

System,out.println("Aclass");

}

}

public class Bclass extends Aclass{

void go (){

System.out.println("Bclass");

}

public static void main(String [ ]args){

Aclass a = new Aclass();

Aclass a1 = new Bclass();

a.go();

a1.go();

}

}

 ：

(1) 

(2)